Not Less Than - 95%
(2S)-2-[[(3S)-1-(Carboxymethyl)-2-oxo-2,3,4,5-tetrahydro-1H-1-benzazepin-3-yl]amino]-4-phenylbutanoic Acid; Benazepril Diacid; (3S)-3-[[(1S)-1-Carboxy-3-phenylpropyl]amino]-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepine-1-acetic Acid; {3-[1-Carboxy-3-phenyl-(1S)-propyl]amino-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine}-1-acetic Acid