<unk>  is a tricyclic compound, specifically a dibenzocycloheptadiene, and possesses three rings fused together with a side chain attached in its chemical structure. Other dibenzocycloheptadiene TCAs include amitriptyline, nortriptyline, and butriptyline.<unk>  is a secondary amine TCA, with its N-methylated relative amitriptyline being a tertiary amine. Other secondary amine TCAs include desipramine and nortriptyline. The chemical name of<unk>  is 3-(5H-dibenzoa,d7annulen-5-yl)-N-methylpropan-1-amine and its free base form has a chemical formula of C19H21N1 with a molecular weight of 263.377 g/mol. The drug is used commercially mostly as the hydrochloride salt; the free base form is not used. The CAS Registry Number of the free base is 438-60-8 and of the hydrochloride is 1225-55-4.
Protriptyline
Pargyline
Butriptyline
Bromperidol decanoate
Carbidopa/levodopa
Fluorodopa
Ciladopa
Cupiennin