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cianopramine

n. A tricyclic antidepressant related to imipramine.

Wikipedia
Cianopramine

Cianopramine ( INN) (developmental code name Ro 11-2465), also known as 3-cyanoimipramine, is a tricyclic antidepressant related to imipramine that acts as a serotonin reuptake inhibitor and weak serotonin receptor antagonist. It was investigated for the treatment of depression but was never marketed.