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A thienodiazepine is a heterocyclic compound containing a diazepine ring fused to a thiophene ring.
If R1 and R2 are part of a triazole ring it would be a thienotriazolodiazepine.
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.
References
Thienodiazepine Wikipedia(Text) CC BY-SA