(3-(1-Ethoxycarbonyl-3-cyclohexyl-(1S)-propyl)amino-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine-1-acetic Acid Monohydrochloride is a potential angiotensin converting enzyme inhibitor. A metabolite of Benazepril, which is used as an antihypertensive.