Thienodiazepine
Not to be confused with thienobenzodiazepine.
A thienodiazepine is a heterocyclic compound containing a diazepine ring fused to a thiophene ring. Thienodiazepine forms the central core of several pharmaceutical drugs including:
Since thienodiazepines interact with the benzodiazepine receptor site, they typically have similar effects as benzodiazepines.