Carbenzide

Carbenzide
Systematic (IUPAC) name

ethyl 2-(1-phenylethyl)hydrazinecarboxylate
Clinical data
Identifiers
CAS Registry Number	3240-20-8
ATC code	None
PubChem	CID 18608
ChemSpider	17575
ChEMBL	CHEMBL2105955
Chemical data
Formula	C₁₁H₁₆N₂O₂
Molecular mass	208.257 g/mol
SMILES O=C(OCC)NNC(c1ccccc1)C
InChI InChI=1S/C11H16N2O2/c1-3-15-11(14)13-12-9(2)10-7-5-4-6-8-10/h4-9,12H,3H2,1-2H3,(H,13,14) Key:MSIUIUDKTKNUET-UHFFFAOYSA-N

Carbenzide (INN), also known as carbazic acid, is a hydrazine derivative monoamine oxidase inhibitor (MAOI) antidepressant which was never marketed.^[1]^[2]

References

↑ World Health Organization (2011). "The use of stems in the selection of International Nonproprietary Names (INN) for pharmaceutical substances" (PDF). Retrieved 2012-05-20.
↑ Martin Negwer; Hans-Georg Scharnow (2001). Organic-chemical drugs and their synonyms: (an international survey). Wiley-VCH. ISBN 978-3-527-30247-5. Retrieved 20 May 2012.

Antidepressants (N06A)

Specific reuptake inhibitors and/or receptor modulators

SSRIs	Citalopram Escitalopram Fluoxetine^# Fluvoxamine Indalpine^‡ Paroxetine Sertraline Zimelidine^‡

SNRIs	Desvenlafaxine Duloxetine Levomilnacipran Milnacipran Tofenacin Venlafaxine

NRIs	Reboxetine Viloxazine

NDRIs	Amineptine^‡ Nomifensine^‡

SARIs	Etoperidone Nefazodone^‡ Trazodone

SMSs	Vilazodone Vortioxetine

Others	Agomelatine Amisulpride Buprenorphine Bupropion Etryptamine^‡ Ketamine Lurasidone Medifoxamine^‡ Metryptamine^‡ Oxaflozane^‡ Tandospirone Teniloxazine Tianeptine

Tricyclic antidepressants

TCAs	Amineptine^‡ Amitriptyline^# Amitriptylinoxide Butriptyline^‡ Clomipramine^# Demexiptiline^‡ Desipramine Dibenzepin Dimetacrine^‡ Dosulepin Doxepin Imipramine Imipraminoxide^‡ Iprindole^‡ Lofepramine Melitracen Metapramine^‡ Nitroxazepine Nortriptyline Noxiptiline Opipramol Pipofezine Propizepine^‡ Protriptyline Quinupramine^‡ Tianeptine Trimipramine

TeCAs	Amoxapine Maprotiline Mianserin Mirtazapine Setiptiline

Others	Tiazesim

Monoamine oxidase inhibitors

Non-selective	Irreversible: Benmoxin^‡ Iproclozide^‡ Iproniazid^‡ Isocarboxazid Mebanazine^‡ Nialamide^‡ Octamoxin^‡ Phenelzine Pheniprazine^‡ Phenoxypropazine^‡ Pivhydrazine^‡ Safrazine^‡ Tranylcypromine Reversible: Caroxazone^‡

MAO_A-selective	Reversible: Eprobemide Metralindole Minaprine^‡ Moclobemide Pirlindole Toloxatone Harmine Harmaline Harmane

MAO_B-Selective	Irreversible: Selegiline Rasagiline Ladostigil Mofegiline Lazabemide

Adjunctive therapies

Atypical antipsychotics Buspirone Lithium (lithium carbonate, lithium citrate) Thyroid hormones (triiodothyronine (T₃), thyroxine (T₄))

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

Index of psychology and psychiatry

Description	Mental processes

Disorders	Mental and behavioral ADHD OCD Tourette's Mood Developmental pervasive dyslexia and specific Substance-related alcohol Emotional and behavioral Symptoms and signs eponymous Evaluation and testing

Treatment	Psychotherapy CBT Drugs depression antipsychotics anxiety dementia hypnotics and sedatives psychostimulants, ADHD and nootropics

Monoaminergics

Adrenergics

Receptor ligands

α₁	Agonists: 5-FNE 6-FNE Amidephrine Anisodamine Anisodine Buspirone Cirazoline Dipivefrine Dopamine Ephedrine Epinephrine Etilefrine Ethylnorepinephrine Indanidine Levonordefrin Metaraminol Methoxamine Methyldopa Midodrine Naphazoline Norepinephrine Octopamine Oxymetazoline Phenylephrine Phenylpropanolamine Pseudoephedrine Synephrine Tetrahydrozoline Antagonists: Abanoquil Adimolol Ajmalicine Alfuzosin Amosulalol Arotinolol Atiprosin Atypical antipsychotics (e.g., clozapine, olanzapine, quetiapine, risperidone) Benoxathian Buflomedil Bunazosin Carvedilol CI-926 Corynanthine Dapiprazole DL-017 Domesticine Doxazosin Ergolines (e.g., ergotamine, dihydroergotamine, lisuride, terguride) Etoperidone Eugenodilol Fenspiride GYKI-12,743 GYKI-16,084 Hydroxyzine Indoramin Ketanserin L-765,314 Labetalol mCPP Mephendioxan Mepiprazole Metazosin Monatepil Moxisylyte Naftopidil Nantenine Nefazodone Neldazosin Niaprazine Nicergoline Niguldipine Pardoprunox Pelanserin Phendioxan Phenoxybenzamine Phentolamine Piperoxan Prazosin Quinazosin Ritanserin RS-97,078 SGB-1,534 Silodosin SL-89.0591 Spiperone Talipexole Tamsulosin Terazosin Tibalosin Tiodazosin Tipentosin Tolazoline Trazodone Tetracyclic antidepressants (e.g., amoxapine, maprotiline, mianserin) Tricyclic antidepressants (e.g., amitriptyline, clomipramine, doxepin, imipramine, trimipramine) Trimazosin Typical antipsychotics (e.g., chlorpromazine, fluphenazine, loxapine, thioridazine) Upidosin Urapidil WB-4101 Zolertine

α₂	Agonists: (R)-3-Nitrobiphenyline 4-NEMD 6-FNE Amitraz Apraclonidine Brimonidine Cannabivarin Clonidine Detomidine Dexmedetomidine Dihydroergotamine Dipivefrine Dopamine Ephedrine Ergotamine Epinephrine Esproquin Etilefrine Ethylnorepinephrine Fipamezole Guanabenz Guanfacine Guanoxabenz Levonordefrin Lofexidine Medetomidine Methamphetamine Methyldopa Mivazerol Naphazoline Norepinephrine Oxymetazoline Phenylpropanolamine Piperoxan Pseudoephedrine Rezatomidine Rilmenidine Romifidine Talipexole Tetrahydrozoline Tizanidine Tolonidine Urapidil Xylazine Xylometazoline Antagonists: 1-PP A-80426 Adimolol Aptazapine Atipamezole Atypical antipsychotics (e.g., asenapine, clozapine, lurasidone, paliperidone, quetiapine, risperidone, zotepine) Azapirones (e.g., buspirone, tandospirone) BRL-44408 Buflomedil Cirazoline Efaroxan Esmirtazapine Fenmetozole Fluparoxan GYKI-12,743 GYKI-16,084 Idazoxan mCPP Mianserin Mirtazapine MK-912 NAN-190 Olanzapine Pardoprunox Phentolamine Phenoxybenzamine Piperoxan Piribedil Rauwolscine Rotigotine SB-269,970 Setiptiline Spiroxatrine Sunepitron Tolazoline Typical antipsychotics (e.g., chlorpromazine, fluphenazine, loxapine, thioridazine) Yohimbine

β	Agonists: 2-FNE 5-FNE Amibegron Arbutamine Arformoterol Arotinolol BAAM Bambuterol Befunolol Bitolterol Broxaterol Buphenine Carbuterol Cimaterol Clenbuterol Denopamine Deterenol Dipivefrine Dobutamine Dopamine Dopexamine Ephedrine Epinephrine Etafedrine Etilefrine Ethylnorepinephrine Fenoterol Formoterol Hexoprenaline Higenamine Indacaterol Isoetarine Isoprenaline Isoxsuprine Levonordefrin Levosalbutamol Mabuterol Methoxyphenamine Methyldopa Mirabegron N-Isopropyloctopamine Norepinephrine Orciprenaline Oxyfedrine Phenylpropanolamine Pirbuterol Prenalterol Ractopamine Procaterol Pseudoephedrine Reproterol Rimiterol Ritodrine Salbutamol Salmeterol Solabegron Terbutaline Tretoquinol Tulobuterol Vilanterol Xamoterol Zilpaterol Zinterol Antagonists: Acebutolol Adaprolol Adimolol Afurolol Alprenolol Alprenoxime Amosulalol Ancarolol Arnolol Arotinolol Atenolol Befunolol Betaxolol Bevantolol Bisoprolol Bopindolol Bornaprolol Brefonalol Bucindolol Bucumolol Bufetolol Bufuralol Bunitrolol Bunolol Bupranolol Butaxamine Butidrine Butofilolol Capsinolol Carazolol Carpindolol Carteolol Carvedilol Celiprolol Cetamolol Cicloprolol Cinamolol Cloranolol Cyanopindolol Dalbraminol Dexpropranolol Diacetolol Dichloroisoprenaline Dihydroalprenolol Dilevalol Diprafenone Draquinolol Ecastolol Epanolol Ericolol Ersentilide Esatenolol Esprolol Eugenodilol Exaprolol Falintolol Flestolol Flusoxolol Hydroxycarteolol Hydroxytertatolol ICI-118,551 Idropranolol Indenolol Indopanolol Iodocyanopindolol Iprocrolol Isoxaprolol Isamoltane Labetalol Landiolol Levobetaxolol Levobunolol Levocicloprolol Levomoprolol Medroxalol Mepindolol Metalol Metipranolol Metoprolol Moprolol Nadolol Nadoxolol Nafetolol Nebivolol Neraminol Nifenalol Nipradilol Oberadilol Oxprenolol Pacrinolol Pafenolol Pamatolol Pargolol Parodilol Penbutolol Penirolol PhQA-33 Pindolol Pirepolol Practolol Primidolol Procinolol Pronethalol Propafenone Propranolol Ridazolol Ronactolol Soquinolol Sotalol Spirendolol SR 59230A Sulfinalol TA-2005 Talinolol Tazolol Teoprolol Tertatolol Tienoxolol Tilisolol Timolol Tiprenolol Tolamolol Toliprolol Tribendilol Trigevolol Xibenolol Xipranolol

Reuptake inhibitors

NET	Selective norepinephrine reuptake inhibitors: Amedalin Atomoxetine (tomoxetine) Ciclazindol Daledalin Edivoxetine Esreboxetine Lortalamine Mazindol Nisoxetine Reboxetine Talopram Talsupram Tandamine Viloxazine; Norepinephrine-dopamine reuptake inhibitors: Amineptine Bupropion Fencamine Fencamfamine Hydroxybupropion Lefetamine Levophacetoperane LR-5182 Manifaxine Methylphenidate Nomifensine O-2172 Radafaxine; Serotonin-norepinephrine reuptake inhibitors: Bicifadine Desvenlafaxine Duloxetine Eclanamine Levomilnacipran McN-5652 Milnacipran N-Methyl-PPPA PPPA SEP-227162 Sibutramine Venlafaxine WY-45233; Serotonin-norepinephrine-dopamine reuptake inhibitors: (S)-Duloxetine Brasofensine Dasotraline Desmethylsertraline Diclofensine DOV-102,677 DOV-21,947 DOV-216,303 JNJ-7925476 JZ-IV-10 Liafensine Methylnaphthidate Naphyrone NS-2359 Perafensine PRC200-SS SEP-228431 SEP-228432 Tesofensine; Tricyclic antidepressants: Amitriptyline Butriptyline Cianopramine Clomipramine Desipramine Dosulepin Doxepin Imipramine Lofepramine Melitracen Nortriptyline Protriptyline Trimipramine; Tetracyclic antidepressants: Amoxapine Maprotiline Mianserin Oxaprotiline Setiptiline; Others: Antihistamines (e.g., brompheniramine, chlorphenamine, pheniramine, tripelennamine) Arylcyclohexylamines (e.g., ketamine, phencyclidine) CP-39,332 Ethanol EXP-561 Fezolamine Ginkgo biloba Indeloxazine Loxapine Nefazodone Nefopam Opioids (e.g., methadone, pethidine (meperidine), tapentadol, tramadol) Pridefrine Tedatioxetine Teniloxazine Tofenacin Tropanes (e.g., cocaine) Ziprasidone

VMATs	Amiodarone Amphetamines (e.g., amphetamine, methamphetamine, MDMA) APP AZIK Bietaserpine Deserpidine Dihydrotetrabenazine Efavirenz GBR-12935 GZ-793A Ibogaine Ketanserin Lobeline Methoxytetrabenazine NBI-98854 Reserpine Rose bengal SD-809 Tetrabenazine Vanoxerine (GBR-12909)

Releasing agents

Morpholines: Fenbutrazate
Fenmetramide
Morazone
Morforex
Phendimetrazine
Phenmetrazine
Pseudophenmetrazine; Oxazolines: 4-MAR
Aminorex
Clominorex
Cyclazodone
Fenozolone
Fluminorex
Pemoline
Thozalinone; Phenethylamines (also amphetamines, cathinones, etc): 2-OH-PEA
4-CAB
4-FA
4-FMA
4-MA
4-MMA
Alfetamine
Amfecloral
Amfepentorex
Amfepramone
Amphetamine (Dextroamphetamine
Levoamphetamine)
Amphetaminil
β-Me-PEA
BDB
Benzphetamine
BOH
Buphedrone
Bupropion
Butylone
Cathine
Cathinone
Clobenzorex
Clortermine
Dimethylamphetamine
Dimethylcathinone
DMA
DMMA
EBDB
Ephedrine
Ethcathinone
Ethylone
Etilamfetamine
Famprofazone
Fenethylline
Fenproporex
Flephedrone
Fludorex
Furfenorex
Hordenine
4-Hydroxyamphetamine
IAP
IMP
Iofetamine
Lisdexamfetamine
Lophophine
MBDB
MDA
MDEA
MDMA
MDMPEA
MDOH
MDPEA
Mefenorex
Mephedrone
Mephentermine
Methamphetamine (Dextromethamphetamine
Levomethamphetamine)
Methcathinone
Methedrone
Methylone
Morforex
Naphthylisopropylamine
Ortetamine
pBA
pCA
Pentorex
Phenethylamine
Pholedrine
Phenpromethamine
Phentermine
Phenylpropanolamine
pIA
Prenylamine
Propylamphetamine
Pseudoephedrine
Selegiline (also D-Deprenyl)
Tiflorex
Tyramine
Xylopropamine
Zylofuramine; Piperazines: 2C-B-BZP
BZP
MBZP
mCPP
MDBZP
MeOPP
pFPP; Others: 2-ADN
2-AI
2-AT
2-BP
4-BP
5-IAI
Clofenciclan
Cyclopentamine
Cypenamine
Cyprodenate
Feprosidnine
Gilutensin
Heptaminol
Hexacyclonate
Indanorex
Isometheptene
Methylhexanamine
Octodrine
Phthalimidopropiophenone
Propylhexedrine (Levopropylhexedrine)
Tuaminoheptane

Enzyme inhibitors

PAH	3,4-Dihydroxystyrene

TH	3-Iodotyrosine Aquayamycin Bulbocapnine Metirosine Oudenone

AAAD	Benserazide Carbidopa DFMD Genistein Methyldopa

DBH	Bupicomide Disulfiram Dopastin Fusaric acid Nepicastat Phenopicolinic acid Tropolone

PNMT	CGS-19281A SKF-64139 SKF-7698

MAO	Nonselective: Benmoxin Caroxazone Echinopsidine Furazolidone Hydralazine Indantadol Iproclozide Iproniazid Isocarboxazid Isoniazid Linezolid Mebanazine Metfendrazine Nialamide Octamoxin Paraxazone Phenelzine Pheniprazine Phenoxypropazine Pivalylbenzhydrazine Procarbazine Safrazine Tranylcypromine; MAO-A selective: Amiflamine Bazinaprine Befloxatone Brofaromine Cimoxatone Clorgiline Eprobemide Esuprone Harmala alkaloids (Harmine, Harmaline Tetrahydroharmine Harman Norharman, etc) Methylene blue Metralindole Minaprine Moclobemide Pirlindole Sercloremine Tetrindole Toloxatone Tyrima; MAO-B selective: Ladostigil Lazabemide Milacemide Mofegiline Pargyline Rasagiline Safinamide Selegiline (also D-Deprenyl)

COMT	Entacapone Nitecapone Opicapone Tolcapone

Others

Precursors	L-Phenylalanine → L-Tyrosine → L-DOPA (Levodopa) → Dopamine L-DOPS (Droxidopa)

Cofactors	Ferrous Iron (Fe²⁺) S-Adenosyl-L-Methionine Vitamin B₃ (Niacin Nicotinamide → NADPH) Vitamin B₆ (Pyridoxine Pyridoxamine Pyridoxal → Pyridoxal Phosphate) Vitamin B₉ (Folic acid → Tetrahydrofolic acid) Vitamin C (Ascorbic acid) Zinc (Zn²⁺)

Neurotoxins	DSP-4 Oxidopamine (6-OHDA)

Others	Activity enhancers: BPAP PPAP; Release blockers: Bethanidine Bretylium Guanadrel Guanazodine Guanclofine Guanethidine Guanoxan

See also: Dopaminergics • Melatonergics • Serotonergics • List of adrenergic drugs

Dopaminergics

Receptor ligands

Agonists: Adamantanes: Amantadine
Memantine
Rimantadine; Aminotetralins: 7-OH-DPAT
8-OH-PBZI
Rotigotine
UH-232; Benzazepines: 6-Br-APB
Fenoldopam
SKF-38,393
SKF-77,434
SKF-81,297
SKF-82,958
SKF-83,959; Ergolines: Bromocriptine
Cabergoline
Dihydroergocryptine
Epicriptine
Lisuride
LSD
Pergolide; Dihydrexidine derivatives: 2-OH-NPA
A-86929
Adrogolide (ABT-431, DAS-431)
Ciladopa
Dihydrexidine
Dinapsoline
Dinoxyline
Doxanthrine; Others: A-68930
A-77636
A-412997
ABT-670
ABT-724
Aplindore
Apomorphine
Aripiprazole
Bifeprunox
BP-897
Captodiame
CY-208,243
Dizocilpine
Etilevodopa
Flibanserin
Ketamine
Melevodopa
Modafinil
Pardoprunox
Phencyclidine
PD-128,907
PD-168,077
PF-219,061
Piribedil
Pramipexole
Propylnorapomorphine
Pukateine
Quinagolide
Quinelorane
Quinpirole
RDS-127
Ro10-5824
Ropinirole
Rotigotine
Roxindole
Salvinorin A
SKF-89,145
Sumanirole
Terguride
Umespirone
WAY-100,635

Antagonists: Typical antipsychotics: Acepromazine
Azaperone
Benperidol
Bromperidol
Clopenthixol
Chlorpromazine
Chlorprothixene
Droperidol
Flupentixol
Fluphenazine
Fluspirilene
Haloperidol
Levosulpiride
Loxapine
Mesoridazine
Methotrimeprazine
Nemonapride
Penfluridol
Perazine
Periciazine
Perphenazine
Pimozide
Prochlorperazine
Promazine
Sulforidazine
Sulpiride
Sultopride
Thioridazine
Thiothixene
Trifluoperazine
Triflupromazine
Trifluperidol
Zuclopenthixol; Atypical antipsychotics: Amisulpride
Asenapine
Blonanserin
Cariprazine
Carpipramine
Clocapramine
Clorotepine
Clozapine
Gevotroline
Iloperidone
Lurasidone
Melperone
Molindone
Mosapramine
Olanzapine
Paliperidone
Perospirone
Piquindone
Quetiapine
Remoxipride
Risperidone
Sertindole
Tiospirone
Zicronapine
Ziprasidone
Zotepine; Antiemetics: AS-8112
Alizapride
Bromopride
Clebopride
Domperidone
Metoclopramide
Thiethylperazine; Others: Amoxapine
Buspirone
Butaclamol
Ecopipam
EEDQ
Eticlopride
Fananserin
Hydroxyzine
L-745,870
Nafadotride
Nuciferine
PNU-99,194
Raclopride
Sarizotan
SB-277,011-A
SCH-23,390
SKF-83,959
Sonepiprazole
Spiperone
Spiroxatrine
Stepholidine
Tetrahydropalmatine
Tiapride
UH-232
Yohimbine

NAMs: SB-269,652

Transporter modulators

DAT	Inhibitors: Piperazines: DBL-583 GBR-12783 GBR-12935 GBR-13069 GBR-13098 Nefazodone Vanoxerine; Piperidines: 3,4-Dichloropethidine 4-Fluoropethidine 4-Iodopethidine Benocyclidine (BTCP) Desoxypipradrol Dextromethylphenidate Difemetorex Ethylphenidate Methylnaphthidate Methylphenidate Pethidine (meperidine) Phencyclidine Pipradrol; Pyrrolidines: Diphenylprolinol MDPV Naphyrone Prolintane Pyrovalerone; Tropanes: 3-CPMT) 3α-Bis-(4-fluorophenyl)methoxytropane AHN-1055 AHN-2005 Altropane Benzatropine (benztropine) Brasofensine CFT Cocaine Dichloropane Difluoropine Etybenzatropine (ethybenztropine) FE-β-CPPIT FP-β-CPPIT Ioflupane (¹²³I) Iometopane JHW-007 RTI-112 RTI-113 RTI-121 RTI-126 RTI-150 RTI-177 RTI-229 RTI-336 Tenocyclidine Tesofensine Troparil Tropoxane WF-11 WF-23 WF-31 WF-33; Others: (S)-Duloxetine Adrafinil Armodafinil Amfonelic acid Amineptine Bromantane BTQ BTS-74,398 Bupropion Chaenomeles speciosa Ciclazindol Dasotraline Desmethylsertraline Diclofensine Dimethocaine Diphenylpyraline Dizocilpine (MK-801) DOV-102677 DOV-21947 DOV-216303 Efavirenz EXP-561 Fencamfamine Fezolamine Fluorenol GYKI-52,895 Indatraline Ketamine Lefetamine Levophacetoperane Liafensine LR-5182 Manifaxine Mazindol Medifoxamine Mesocarb Metaphit Modafinil Nefopam Nomifensine NS-2359 O-2172 Oroxylin A Perafensine Pridefrine Radafaxine Rimcazole SEP-228431 SEP-228432 Sertraline Sibutramine Tametraline Tedatioxetine Tripelennamine Venlafaxine Enhancers: Luteolin Modulators: Agonist-like: SoRI-9804 SoRI-20040; Antagonist-like: SoRI-20041

VMATs	Inhibitors: Amiodarone Amphetamines (e.g., amphetamine, methamphetamine, MDMA) APP AZIK Bietaserpine Deserpidine Dihydrotetrabenazine Efavirenz GBR-12935 GZ-793A Ibogaine Ketanserin Lobeline Methoxytetrabenazine NBI-98854 Reserpine Rose bengal SD-809 Tetrabenazine Vanoxerine (GBR-12909)

Releasing agents

Morpholines: Fenbutrazate
Fenmetramide
Morazone
Morforex
Phendimetrazine
Phenmetrazine
Pseudophenmetrazine; Oxazolines: 4-MAR
Aminorex
Clominorex
Cyclazodone
Fenozolone
Fluminorex
Pemoline
Thozalinone; Phenethylamines (also amphetamines, cathinones, etc): 2-OH-PEA
4-CAB
4-FA
4-FMA
4-MA
4-MMA
Alfetamine
Amfecloral
Amfepentorex
Amfepramone
Amphetamine (Dextroamphetamine
Levoamphetamine)
Amphetaminil
β-Me-PEA
BDB
BOH
Benzphetamine
Buphedrone
Bupropion
Butylone
Cathine
Cathinone
Clobenzorex
Clortermine
D-Deprenyl
DMA
DMMA
Dimethylamphetamine
Dimethylcathinone
Ephedrine
Ethcathinone
EBDB
Ethylone
Etilamfetamine
Famprofazone
Fenethylline
Fenproporex
Flephedrone
Fludorex
Furfenorex
Hordenine
4-Hydroxyamphetamine
Iofetamine
Lophophine
Mefenorex
Mephedrone
Methamphetamine (Dextromethamphetamine, Levomethamphetamine)
Methcathinone
Methedrone
MMDA
MMDMA
MBDB
MDA
MDEA
MDMA
MDMPEA
MDOH
MDPEA
Methylone
Morforex
Ortetamine
pBA
pCA
pIA
Pholedrine
Phenethylamine
Pholedrine
Phenpromethamine
Prenylamine
Propylamphetamine
Pseudoephedrine
Tiflorex
Tyramine
Xylopropamine
Zylofuramine; Piperazines: 2C-B-BZP
BZP
MBZP
MDBZP
MeOPP; Others: 2-ADN
2-AI
2-AT
4-BP
5-IAI
Clofenciclan
Cyclopentamine
Cypenamine
Cyprodenate
Feprosidnine
Gilutensin
Heptaminol
Hexacyclonate
IAP
Indanorex
Isometheptene
Methylhexanamine
Naphthylisopropylamine
Octodrine
Phthalimidopropiophenone
Propylhexedrine (Levopropylhexedrine)
Tuaminoheptane

Enzyme inhibitors

PAH	3,4-Dihydroxystyrene

TH	3-Iodotyrosine Aquayamycin Bulbocapnine Metirosine Oudenone

AAAD	Benserazide Carbidopa DFMD Genistein Methyldopa

MAO	Nonselective: Benmoxin Caroxazone Echinopsidine Furazolidone Hydralazine Indantadol Iproclozide Iproniazid Isocarboxazid Isoniazid Linezolid Mebanazine Metfendrazine Nialamide Octamoxin Paraxazone Phenelzine Pheniprazine Phenoxypropazine Pivalylbenzhydrazine Procarbazine Safrazine Tranylcypromine; MAO-A selective: Amiflamine Bazinaprine Befloxatone Brofaromine Cimoxatone Clorgiline Eprobemide Esuprone Harmala alkaloids Methylene Blue Metralindole Minaprine Moclobemide Pirlindole Sercloremine Tetrindole Toloxatone Tyrima; MAO-B selective: D-Deprenyl Ethanol Ladostigil Lazabemide Milacemide Nicotine Pargyline^‡ Rasagiline Safinamide Selegiline (L-deprenyl)

COMT	Entacapone Nitecapone Opicapone Tolcapone

DBH	Disulfiram Dopastin Fusaric acid Nepicastat Tropolone

Others

Precursors	L-Phenylalanine → L-Tyrosine → L-DOPA (levodopa)

Cofactors	Ferrous iron (Fe²⁺) Tetrahydrobiopterin Vitamin B₃ (Niacin Nicotinamide → NADPH) Vitamin B₆ (Pyridoxine Pyridoxamine Pyridoxal → Pyridoxal phosphate) Vitamin B₉ (Folic acid → Tetrahydrofolic acid) Vitamin C (Ascorbic acid) Zinc (Zn²⁺)

Neurotoxins	Amphetamine DMDHIQ⁺ Methamphetamine MPP⁺ MPTP NMDHIQ⁺ NMNorsal (2-MDTIQ) NMSal Norsalsolinol Oxidopamine (6-OHDA) Rotenone Salsolinol

Others	Activity enhancers: BPAP PPAP; Levodopa prodrugs: XP21279

See also: Adrenergics • Melatonergics • Serotonergics • List of dopaminergic drugs

Melatonergics

Receptor
ligands

Agonists	Agomelatine GR-196,429 LY-156,735 Melatonin NAS (Normelatonin) Ramelteon Tasimelteon

Antagonists	Afobazole Luzindole Prazosin (at MT₃)

Enzyme
inhibitors

Anabolism

AANAT inhibitors

ASMT inhibitors

Catabolism

Others

Precursors	L-Tryptophan → 5-HTP → Serotonin → NAS (Normelatonin)

Cofactors	Ferrous Iron (Fe²⁺) Magnesium (Mg²⁺) S-Adenosyl-L-methionine Tetrahydrobiopterin Vitamin B3 (Niacin nicotinamide → NADPH) Vitamin B6 (Pyridoxine Pyridoxamine Pyridoxal → Pyridoxal phosphate) Vitamin B9 (Folic acid → Tetrahydrofolic acid) Vitamin C (Ascorbic acid) Zinc (Zn²⁺)

See also: Adrenergics • Dopaminergics • Serotonergics

Serotonergics

5-HT₁ receptor ligands

5-HT_1A	Agonists: 8-OH-DPAT Adatanserin Amphetamine Antidepressants (e.g., etoperidone, nefazodone, trazodone, vilazodone, vortioxetine) Atypical antipsychotics (e.g., aripiprazole, asenapine, clozapine, lurasidone, quetiapine, ziprasidone) Azapirones (e.g., buspirone, eptapirone, gepirone, perospirone, tandospirone) Bay R 1531 Befiradol BMY-14802 Cannabidiol Dimemebfe Dopamine Ebalzotan Eltoprazine Ergolines (e.g., bromocriptine, cabergoline, dihydroergotamine, ergotamine, lisuride, LSD, methylergometrine (methylergonovine), methysergide, pergolide) F-11461 F-12826 F-13714 F-14679 F-15063 F-15599 Flesinoxan Flibanserin Lesopitron LY-293284 LY-301317 mCPP MKC-242 Naluzotan NBUMP Osemozotan Oxaflozane Pardoprunox Piclozotan Rauwolscine Repinotan Roxindole RU-24969 S-14506 S-14671 S-15535 Sarizotan Serotonin (5-HT) SSR-181507 Sunepitron Tryptamines (e.g., 5-CT, 5-MeO-DMT, 5-MT, bufotenin, DMT, indorenate, N-Me-5-HT, psilocin, psilocybin) U-92016A Urapidil Vilazodone Xaliproden Yohimbine Antagonists: Atypical antipsychotics (e.g., iloperidone, risperidone, sertindole) AV965 Beta blockers (e.g., alprenolol, cyanopindolol, iodocyanopindolol, oxprenolol, pindobind, pindolol, propranolol, tertatolol) BMY-7378 CSP-2503 Dotarizine Ergolines (e.g., metergoline) Flopropione GR-46611 Isamoltane Lecozotan Mefway Metitepine (methiothepin) MIN-117 MPPF NAN-190 Robalzotan S-15535 SB-649915 SDZ 216-525 Spiperone Spiramide Spiroxatrine UH-301 WAY-100135 WAY-100635 Xylamidine Unknown/unsorted: Ergolines (e.g., ergometrine (ergonovine))

5-HT_1B	Agonists: CGS-12066A CP-93129 CP-94253 CP-135807 Eltoprazine Ergolines (e.g., bromocriptine, dihydroergotamine, ergotamine, methylergometrine (methylergonovine), methysergide, pergolide) mCPP RU-24969 Serotonin (5-HT) Triptans (e.g., avitriptan, donitriptan, eletriptan, sumatriptan, zolmitriptan) TFMPP Tryptamines (e.g., 5-BT, 5-CT, 5-MT, DMT) Vortioxetine Antagonists: AR-A000002 Elzasonan Ergolines (e.g., metergoline) GR-127935 Isamoltane LY-393558 Metitepine (methiothepin) SB-216641 SB-224289 SB-236057 Yohimbine Unknown/unsorted: Ergolines (e.g., cabergoline, ergometrine (ergonovine), lisuride)

5-HT_1D	Agonists: CP-135807 CP-286601 Ergolines (e.g., bromocriptine, cabergoline, dihydroergotamine, ergotamine, LSD, methysergide) GR-46611 L-694247 L-772405 mCPP PNU-109291 PNU-142633 Serotonin (5-HT) Triptans (e.g., almotriptan, avitriptan, donitriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan) Tryptamines (e.g., 5-BT, 5-CT, 5-Et-DMT, 5-MT, 5-(nonyloxy)tryptamine, DMT) Antagonists: Alniditan BRL-15572 Elzasonan Ergolines (e.g., metergoline) GR-127935 Ketanserin LY-310762 LY-367642 LY-393558 LY-456219 LY-456220 Metitepine (methiothepin) Mianserin Ritanserin Yohimbine Ziprasidone Unknown/unsorted: Ergolines (e.g., lisuride, lysergol, pergolide)

5-HT_1E	Agonists: BRL-54443 Ergolines (e.g., methysergide) Serotonin (5-HT) Triptans (e.g., eletriptan) Tryptamines (e.g., tryptamine) Antagonists: Metitepine (methiothepin) Unknown/unsorted: Ergolines (e.g., ergometrine (ergonovine), lysergol, methylergometrine (methylergonovine)

5-HT_1F	Agonists: BRL-54443 Ergolines (e.g., bromocriptine, lysergol, methylergometrine (methylergonovine) methysergide) Lasmiditan LY-334370 Serotonin (5-HT) Triptans (e.g., eletriptan, naratriptan, sumatriptan) Tryptamines (e.g., 5-MT) Antagonists: Mianserin Metitepine (methiothepin)

5-HT₂ receptor ligands

5-HT_2A	Agonists: 25H/NB series (e.g., 25I-NBF, 25I-NBMD, 25I-NBOH, 25I-NBOMe, 25B-NBOMe, 25C-NBOMe, 25TFM-NBOMe, 2CBCB-NBOMe, 25CN-NBOH, 2CBFly-NBOMe) 2Cs (e.g., 2C-B, 2C-E, 2C-I, 2C-T-2, 2C-T-7, 2C-T-21) 2C-B-FLY 2CB-Ind 5-Methoxytryptamines (5-MeO-DET, 5-MeO-DiPT, 5-MeO-DMT, 5-MeO-DPT, 5-MT) α-Alkyltryptamines (e.g., 5-Cl-αMT, 5-Fl-αMT, 5-MeO-αET, 5-MeO-αMT, α-Me-5-HT, αET, αMT) AL-34662 AL-37350A Bromo-DragonFLY Dimemebfe DMBMPP DOx (e.g., DOB, DOC, DOI, DOM) Efavirenz Ergolines (e.g., ALD-52, bromocriptine, cabergoline, ergine (LSA), ergotamine, lisuride, LA-SS-Az, LSB, LSD, LSD-Pip, LSH, LSP, methylergometrine (methylergonovine), pergolide) Jimscaline MDxx (e.g., MDA, MDMA, MDOH, MMDA) Medifoxamine O-4310 Oxaflozane PHA-57378 PNU-22394 PNU-181731 RH-34 Phenethylamines (e.g., lophophine, mescaline) Piperazines (e.g., BZP, mCPP, quipazine, TFMPP) Serotonin (5-HT) TCB-2 TFMFly Tryptamines (e.g., 5-BT, 5-CT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine) Antagonists: 5-I-R91150 5-MeO-NBpBrT AC-90179 Adatanserin Altanserin AMDA APD-215 Atypical antipsychotics (e.g., amperozide, aripiprazole, asenapine, blonanserin, carpipramine, clocapramine, clorotepine, clozapine, fluperlapine, gevotroline, iloperidone, melperone, mosapramine, olanzapine, paliperidone, quetiapine, risperidone, sertindole, zicronapine, ziprasidone, zotepine) Cinanserin CSP-2503 Cyproheptadine Deramciclane Dotarizine Eplivanserin Ergolines (e.g., amesergide, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole) Etoperidone Fananserin Flibanserin Glemanserin Irindalone Ketanserin KML-010 Lubazodone LY-393558 Mepiprazole Metitepine (methiothepin) MIN-101 Nantenine Nefazodone Pimavanserin Pirenperone Pizotifen Pruvanserin Rauwolscine Ritanserin S-14671 Sarpogrelate Setoperone Spiperone Spiramide SR-46349B Teniloxazine Tetracyclic antidepressants (e.g., amoxapine, aptazapine, esmirtazapine, maprotiline, mianserin, mirtazapine) Trazodone Tricyclic antidepressants (e.g., amitriptyline) Typical antipsychotics (e.g., chlorpromazine, fluphenazine, haloperidol, loxapine, perphenazine, pimozide, pipamperone, prochlorperazine, thioridazine, thiothixene, trifluoperazine) Volinanserin Xylamidine Yohimbine Unknown/unsorted: Ergolines (e.g., dihydroergotamine, ergometrine (ergonovine), nicergoline)

5-HT_2B	Agonists: 4-Methylaminorex Aminorex Amphetamines (eg., chlorphentermine, cloforex, dexfenfluramine, fenfluramine, levofenfluramine, norfenfluramine) BW-723C86 DOx (e.g., DOB, DOC, DOI, DOM) Ergolines (e.g., cabergoline, dihydroergocryptine, dihydroergotamine, ergotamine, methylergometrine (methylergonovine), methysergide, pergolide) MDxx (e.g., MDA, MDMA, MDOH, MMDA) Piperazines (e.g., mCPP) PNU-22394 Ro60-0175 Serotonin (5-HT) Tryptamines (e.g., 5-BT, 5-CT, 5-MT, α-Me-5-HT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine) Antagonists: Agomelatine Asenapine Cyproheptadine EGIS-7625 Ergolines (e.g., amesergide, bromocriptine, lisuride, LY-53857, LY-272015, mesulergine) Ketanserin LY-393558 Metadoxine Metitepine (methiothepin) Pirenperone Propranolol PRX-08066 Rauwolscine Ritanserin RS-127445 Sarpogrelate SB-200646 SB-204741 SB-206553 SB-215505 SB-221284 SB-228357 SDZ SER-082 Tegaserod Tetracyclic antidepressants (e.g., amoxapine, mianserin) Yohimbine Unknown/unsorted: Ergolines (e.g., ergometrine (ergonovine))

5-HT_2C	Agonists: 2Cs (e.g., 2C-B, 2C-E, 2C-I, 2C-T-2, 2C-T-7, 2C-T-21) 5-Methoxytryptamines (5-MeO-DET, 5-MeO-DiPT, 5-MeO-DMT, 5-MeO-DPT, 5-MT) α-Alkyltryptamines (e.g., 5-Cl-αMT, 5-Fl-αMT, 5-MeO-αET, 5-MeO-αMT, α-Me-5-HT, αET, αMT) A-372159 AL-38022A Alstonine CP-809101 Dimemebfe DOx (e.g., DOB, DOC, DOI, DOM) Ergolines (e.g., ALD-52, cabergoline, dihydroergotamine, ergine (LSA), ergotamine, lisuride, LA-SS-Az, LSB, LSD, LSD-Pip, LSH, LSP, pergolide) Lorcaserin MDxx (e.g., MDA, MDMA, MDOH, MMDA) Medifoxamine MK-212 Org 12962 Org 37684 Oxaflozane PHA-57378 Phenethylamines (e.g., lophophine, mescaline) Piperazines (e.g., aripiprazole, BZP, mCPP, quipazine, TFMPP) PNU-22394 PNU-181731 Ro60-0175 Ro60-0213 Serotonin (5-HT) Tryptamines (e.g., 5-BT, 5-CT, bufotenin, DET, DiPT, DMT, DPT, psilocin, psilocybin, tryptamine) Vabicaserin WAY-629 WAY-161503 YM-348 Antagonists: Adatanserin Agomelatine Atypical antipsychotics (e.g., asenapine, clorotepine, clozapine, fluperlapine, iloperidone, melperone, olanzapine, paliperidone, quetiapine, risperidone, sertindole, ziprasidone, zotepine) Captodiame CEPC Cinanserin Cyproheptadine Deramciclane Dotarizine Eltoprazine Ergolines (e.g., amesergide, bromocriptine, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole) Etoperidone Fluoxetine FR-260010 Irindalone Ketanserin Ketotifen Latrepirdine Metitepine (methiothepin) Nefazodone Pirenperone Pizotifen Propranolol Ritanserin RS-102221 S-14671 SB-200646 SB-206553 SB-221284 SB-228357 SB-242084 SB-243213 SDZ SER-082 Tedatioxetine Tetracyclic antidepressants (e.g., amoxapine, aptazapine, esmirtazapine, maprotiline, mianserin, mirtazapine) Trazodone Tricyclic antidepressants (e.g., amitriptyline, nortriptyline) Typical antipsychotics (e.g., chlorpromazine, loxapine, pimozide, pipamperone, thioridazine) Xylamidine Unknown/unsorted: Efavirenz Ergolines (e.g., ergometrine (ergonovine), methylergometrine (methylergonovine))

5-HT₃	Agonists: Alcohols (e.g., butanol, ethanol, trichloroethanol) m-CPBG Phenylbiguanide Piperazines (e.g., BZP, mCPP, quipazine) RS-56812 Serotonin (5-HT) SR-57227 SR-57227A Tryptamines (e.g., 2-Me-5-HT, 5-CT, bufotenidine (5-HTQ)) Volatiles/gases (e.g., halothane, isoflurane, toluene, trichloroethane) YM-31636 Antagonists: Alosetron AS-8112 Atypical antipsychotics (e.g., clozapine, olanzapine, quetiapine) Azasetron Batanopride Bemesetron (MDL-72222) Cilansetron CSP-2503 Dazopride Dolasetron Galanolactone Granisetron ICS-205930 Lerisetron Memantine Ondansetron Palonosetron Ramosetron Renzapride Ricasetron Tedatioxetine Tetracyclic antidepressants (e.g., amoxapine, mianserin, mirtazapine) Thujone Tropanserin Tropisetron Typical antipsychotics (e.g., loxapine) Volatiles/gases (e.g., nitrous oxide, sevoflurane, xenon) Vortioxetine Zacopride Zatosetron Unknown/unsorted: LY-53857 Piperazines (e.g., naphthylpiperazine)

5-HT₄	Agonists: 5-MT BIMU8 Cinitapride Cisapride CJ-033466 Dazopride Metoclopramide Mosapride Prucalopride PRX-03140 Renzapride RS-67333 RS-67506 Serotonin (5-HT) SL65.0155 Tegaserod Velusetrag Zacopride Antagonists: GR-113808 GR-125487 L-Lysine Piboserod RS-39604 RS-67532 SB-203186 SB-204070

5-HT_5A	Agonists: Ergolines (e.g., 2-Br-LSD (BOL-148), ergotamine, LSD) Serotonin (5-HT) Tryptamines (e.g., 5-CT) Valerenic Acid Antagonists: Asenapine Latrepirdine Metitepine (methiothepin) Ritanserin SB-699551 Unknown/unsorted: Ergolines (e.g., metergoline, methysergide) Piperazines (e.g., naphthylpiperazine)

5-HT₆	Agonists: Ergolines (e.g., dihydroergocryptine, dihydroergotamine, ergotamine, lisuride, LSD, mesulergine, metergoline, methysergide) Serotonin (5-HT) Tryptamines (e.g., 2-Me-5-HT, 5-BT, 5-CT, 5-MT, Bufotenin, E-6801, E-6837, EMD-386088, EMDT, LY-586713, N-Me-5-HT, tryptamine) WAY-181187 WAY-208466 Antagonists: ABT-354 Atypical antipsychotics (e.g., aripiprazole, asenapine, clorotepine, clozapine, fluperlapine, iloperidone, olanzapine, tiospirone) AVN-101 AVN-211 AVN-322 AVN-397 BGC20-760 BVT-5182 BVT-74316 Cerlapirdine EGIS-12233 GW-742457 Idalopirdine Ketanserin Latrepirdine Metitepine (methiothepin) MS-245 PRX-07034 Ritanserin Ro04-6790 Ro 63-0563 SB-258585 SB-271046 SB-357134 SB-399885 SB-742457 Tetracyclic antidepressants (e.g., amoxapine, mianserin) Tricyclic antidepressants (e.g., amitriptyline, clomipramine, doxepin, nortriptyline) Typical antipsychotics (e.g., chlorpromazine, loxapine) Unknown/unsorted: Ergolines (e.g., 2-Br-LSD (BOL-148), bromocriptine, lergotrile, pergolide) Piperazines (e.g., naphthylpiperazine)

5-HT₇	Agonists: 8-OH-DPAT AS-19 Bifeprunox E-55888 Ergolines (e.g., LSD) LP-12 LP-44 RU-24969 Sarizotan Serotonin (5-HT) Triptans (e.g., frovatriptan) Tryptamines (e.g., 5-CT, 5-MT, bufotenin, N-Me-5-HT) Antagonists: Atypical antipsychotics (e.g., amisulpride, aripiprazole, asenapine, clorotepine, clozapine, fluperlapine, olanzapine, risperidone, sertindole, tiospirone, ziprasidone, zotepine) Butaclamol DR-4485 EGIS-12233 Ergolines (e.g., 2-Br-LSD (BOL-148), amesergide, bromocriptine, cabergoline, dihydroergotamine, ergotamine, LY-53857, LY-215840, mesulergine, metergoline, methysergide, sergolexole) Ketanserin LY-215840 Metitepine (methiothepin) Ritanserin SB-258719 SB-258741 SB-269970 SB-656104 SB-656104A SB-691673 SLV-313 SLV-314 Spiperone SSR-181507 Tetracyclic antidepressants (e.g., amoxapine, maprotiline, mianserin, mirtazapine) Tricyclic antidepressants (e.g., amitriptyline, clomipramine, imipramine) Typical antipsychotics (e.g., acetophenazine, chlorpromazine, chlorprothixene, fluphenazine, loxapine, pimozide) Vortioxetine Unknown/unsorted: Ergolines (e.g., lisuride, pergolide) Piperazines (e.g., naphthylpiperazine)

Reuptake inhibitors

SERT	Selective serotonin reuptake inhibitors (SSRIs): Alaproclate Citalopram Dapoxetine Desmethylcitalopram Escitalopram Femoxetine Fluoxetine Fluvoxamine Indalpine Ifoxetine Litoxetine Lubazodone Omiloxetine Panuramine Paroxetine Pirandamine RTI-353 Seproxetine Sertraline Zimelidine Serotonin-norepinephrine reuptake inhibitors (SNRIs): Bicifadine BTS-54505 Desvenlafaxine Duloxetine Eclanamine Levomilnacipran McN-5652 Milnacipran N-Methyl-PPPA PPPA SEP-227162 Sibutramine Venlafaxine WY-45233 Serotonin-norepinephrine-dopamine reuptake inhibitors (SNDRIs): (S)-Duloxetine Brasofensine Dasotraline Desmethylsertraline Diclofensine DOV-102677 DOV-21947 DOV-216303 Liafensine NS-2359 Perafensine SEP-228431 SEP-228432 Tedatioxetine Tesofensine Tricyclic antidepressants (TCAs): Amitriptyline Butriptyline Cianopramine Clomipramine Desipramine Dosulepin Doxepin Imipramine Lofepramine Nortriptyline Pipofezine Protriptyline Trimipramine Others: A-80426 Amoxapine Antihistamines (e.g., brompheniramine, chlorphenamine, dimenhydrinate, diphenhydramine, mepyramine (pyrilamine), pheniramine, tripelennamine) Arylcyclohexylamines (e.g., ketamine, phencyclidine) CP-39332 Cyclobenzaprine Dextromethorphan Dextrorphan Efavirenz Etoperidone EXP-561 Fezolamine LY-393558 Litoxetine Loxapine Lubazodone Mesembrine Mifepristone MIN-117 N-Me-5-HT Nefazodone Nefopam Opioids (e.g., dextropropoxyphene, methadone, pethidine (meperidine)) PIM-35 Pridefine Roxindole SB-649915 Tofenacin Trazodone Tropanes (e.g., cocaine) Vilazodone Vortioxetine Ziprasidone

VMATs	Amiodarone Amphetamines (e.g., amphetamine, methamphetamine, MDMA) APP AZIK Bietaserpine Deserpidine Dihydrotetrabenazine Efavirenz GBR-12935 GZ-793A Ibogaine Ketanserin Lobeline Methoxytetrabenazine NBI-98854 Reserpine Rose bengal SD-809 Tetrabenazine Vanoxerine (GBR-12909)

Releasing agents

Aminoindanes: 5-IAI
AMMI
ETAI
MDAI
MDMAI
MMAI
TAI

Aminotetralins: 6-CAT
8-OH-DPAT
MDAT
MDMAT

Piperazines: 2C-B-BZP
3-MeOPP
BZP
DCPP
MBZP
mCPP
MDBZP
MeOPP
Mepiprazole
pCPP
pFPP
pTFMPP
TFMPP

Tryptamines: 4-Methyl-αET
4-Methyl-αMT
5-CT
5-MeO-αET
5-MeO-αMT
5-MT
αET
αMT
DMT
Tryptamine

Enzyme inhibitors

TPH	AGN-2979 Fenclonine (PCPA)

AAAD	Benserazide Carbidopa Genistein Methyldopa

MAO	Non-selective: Benmoxin Caroxazone Echinopsidine Furazolidone Hydralazine Indantadol Iproclozide Iproniazid Isocarboxazid Isoniazid Linezolid Mebanazine Metfendrazine Nialamide Octamoxin Paraxazone Phenelzine Pheniprazine Phenoxypropazine Pivalylbenzhydrazine Procarbazine Safrazine Tranylcypromine MAO-A-selective: Amiflamine Bazinaprine Befloxatone Brofaromine Cimoxatone Clorgiline Eprobemide Esuprone Harmala alkaloids (e.g., harmine, harmaline, harman, norharman, tetrahydroharmine) Methylene blue Metralindole Minaprine Moclobemide Pirlindole Sercloremine Tetrindole Toloxatone Tyrima

Others

Precursors	L-Tryptophan → 5-HTP

Cofactors	Ferrous iron (Fe²⁺) Magnesium (Mg²⁺) Tetrahydrobiopterin Vitamin B₃ (Niacin Nicotinamide → NADPH) Vitamin B₆ (Pyridoxine Pyridoxamine Pyridoxal → Pyridoxal phosphate) Vitamin B₉ (Folic Acid → Tetrahydrofolic acid) Vitamin C (Ascorbic acid) Zinc (Zn²⁺)

Neurotoxins	3-CA 4-CAB 5,7-DHT α-Me-DA (3,4-DHA) αET αMT DCA MDA MDMA PBA PCA PIA

Others	Activity enhancers: BPAP PPAP

See also	Serotonin syndrome

See also: Adrenergics • Dopaminergics • Melatonergics