Difenamizole

Difenamizole
Names

IUPAC name 2-(Dimethylamino)-N-(2,5-diphenylpyrazol-3-yl)propanamide
Other names Diphenamizole
Identifiers
ChEMBL	ChEMBL2105587
ChemSpider	59123
InChI InChI=1S/C20H22N4O/c1-15(23(2)3)20(25)21-19-14-18(16-10-6-4-7-11-16)22-24(19)17-12-8-5-9-13-17/h4-15H,1-3H3,(H,21,25) Key: PCXMKBOWWVXEDT-UHFFFAOYSA-N
Jmol-3D images	Image
PubChem	65695
SMILES CC(C(=O)NC1=CC(=NN1C2=CC=CC=C2)C3=CC=CC=C3)N(C)C
Properties
Molecular formula	C₂₀H₂₂N₄O
Molar mass	334.41 g·mol⁻¹
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Difenamizole is an analgesic.^[1]

References

↑ Nabeshima, T; Yamaguchi, K; Kameyama, T (1978). "Effects of difenamizole on content of catecholamines and metabolites in mouse brain". Japanese journal of pharmacology 28 (4): 642–6. doi:10.1254/jjp.28.642. PMID 732046.

Analgesics (N02A, N02B)

Opiates/opium	Codeine^# Morphine^# Opium Laudanum Paregoric

Semisynthetic	Acetyldihydrocodeine Benzylmorphine Buprenorphine Desomorphine Diacetylmorphine (heroin) Dihydrocodeine Dihydromorphine Ethylmorphine Hydrocodone Hydromorphinol Hydromorphone Nicocodeine Nicodicodeine Nicomorphine Oxycodone Oxymorphone

Synthetic	Alphaprodine Anileridine Butorphanol Dextromoramide Dextropropoxyphene Dezocine Fentanyl Ketobemidone Levorphanol Meptazinol Methadone Nalbuphine Pentazocine Pethidine Phenazocine Piminodine Piritramide Propiram Tapentadol Tilidine Tramadol

NSAIDs

Propionates	Fenoprofen Flurbiprofen Ibuprofen^# Ketoprofen Naproxen Oxaprozin

Oxicams	Meloxicam Piroxicam

Acetates	Diclofenac Indometacin Ketorolac Nabumetone Sulindac Tolmetin

COX-2 inhibitors	Celecoxib Lumiracoxib Parecoxib Rofecoxib Valdecoxib

Fenamates	Meclofenamic acid Mefenamic acid

Salicylates	Aspirin (acetylsalicylic acid)^# (+paracetamol/caffeine) Benorylate Diflunisal Ethenzamide Magnesium salicylate Salicin Salicylamide Salsalate Wintergreen (methyl salicylate)

Pyrazolones	Aminophenazone^‡ Ampyrone Metamizole (dipyrone) Nifenazone Phenazone Propyphenazone

Others	Glafenine

Channelergics

Calcium blockers	Gabapentin Gabapentin enacarbil Pregabalin Ziconotide

Sodium blockers	Carbamazepine Lacosamide Local anesthetics (e.g., cocaine, lidocaine) Mexiletine Nefopam Tricyclic antidepressants (e.g., amitriptyline^#)

Potassium openers	Flupirtine

Myorelaxants

Others

Camphor
Capsaicin
Clonidine
Ketamine
Menthol
Methoxyflurane
Nefopam
Proglumide
Tricyclic antidepressants (e.g., amitriptyline^#)

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

Index of the central nervous system

Description	Anatomy meninges cortex association fibers commissural fibers lateral ventricles basal ganglia diencephalon mesencephalon pons cerebellum medulla spinal cord tracts Physiology neutrotransmission enzymes intermediates Development

Disease	Cerebral palsy Meningitis Demyelinating diseases Seizures and epilepsy Headache Stroke Sleep Congenital Injury Neoplasms and cancer Other paralytic syndromes ALS Symptoms and signs head and neck eponymous lesions Tests CSF

Treatment	Procedures Drugs general anesthetics analgesics addiction epilepsy cholinergics migraine Parkinson's vertigo other