The molecule is a dicarboxylic acid resulting from the hydrolysis of the ethyl ester group of quinapril to give the corresponding dicarboxylic acid. The active angiotensin-converting enzyme inhibitor (ACE inhibitor) of the prodrug quinapril. It has a role as an EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor, an antihypertensive agent and a vasodilator agent. It is a dicarboxylic acid, a member of isoquinolines and a tertiary carboxamide.
(3S)-2-[(2S)-2-[[(1S)-1-carboxy-3-phenylpropyl]amino]propanoyl]-3,4-dihydro-1H-isoquinoline-3-carboxylic acid