calcium (2S,4S)-1-((S)-3-(benzoylthio)-2-methylpropanoyl)-4-(phenylthio)pyrrolidine-2-carboxylate;(4S)-1-[(2S)-3-(Benzoylthio)-2-methyl-1-oxopropyl]-4-(phenylthio)-L-proline calcium salt;Calcium bis[(2S,4S)-1-[(2S)-3-(benzoylsulfanyl)-2-methylpropanoyl]-4-(phenylsulfanyl)pyrrolidine-2-carboxylate];L-Proline, 1-[(2S)-3-(benzoylthio)-2-methyl-1-oxopropyl]-4-(phenylthio)-, calcium salt, (4S)- (2:1);calcium (2S,4S)-1-[(2S)-2-methyl-3-(phenylcarbonylsulfanyl)propanoyl]-4-phenylsulfanyl-pyrrolidine-2-carboxylate;L-Proline, 1-(3-(benzoylthio)-2-methyl-1-oxopropyl)-4-(phenylthio)-, calcium salt, (1(R*),2?,4?)-;zofenoprilcalcium;Zoprace ;(4S)-N-((S)-3-Mercapto-2-methylpropionyl)-4-(phenylthio)-L-proline benzoate (ester), calcium salt