The molecule is a monocarboxylic acid anion that is the conjugate base of zofenopril, obtained by deprotonation of the carboxy group. It is a conjugate base of a zofenopril.
(2S,4S)-1-[(2S)-3-benzoylsulfanyl-2-methylpropanoyl]-4-phenylsulfanylpyrrolidine-2-carboxylate