mezepine mezepine mezepine is a tricyclic antidepressant (tca) that was never marketed. mezepineclinical dataatc codenoneidentifiers iupac name 3-(6,11-dihydro-5h-dibenzoazepin-5-yl)-n-methylpropan-1-amine cas number27432-00-4 27229-23-8 (fumarate)27470-75-3 (oxalate)pubchem cid3047746chemspider2310073uniip21n4z6jhocomptox dashboard (epa)dtxsid90181852 chemical and physical dataformulac18h22n2molar mass266.388 g·mol−13d model (jsmol)interactive image smiles c1cc3c(cc1)cc2c(cccc2)cn3cccnc