Synonyms: L-Proline,4-cyclohexyl-1-[[(R)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphinyl]acetyl]-,sodium salt, (4S)- (9CI);L-Proline,4-cyclohexyl-1-[[[2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphinyl]acetyl]-,sodium salt, [1[S*(R*)],2a,4b]-;Eosinopril;Monopril;SQ28555;Secorvas;Staril;