Synonyms: Enalaprilat, L-Proline, N-[(1S)-1-carboxy-3-phenylpropyl]-L-alanyl-, L-Proline, 1-[N-(1-carboxy-3-phenylpropyl)-L-alanyl]-, (S)-, N-[(1S)-1-Carboxy-3-phenylpropyl]-L-alanyl-L-proline, Enalapril acid, Enalapril diacid, Enalaprilate, Enalaprilic acid, MK 421 diacid, MK 422, N-[1(S)-Carboxy-3-phenylpropyl]-L-alanyl-L-proline,(2S)-1-[(2S)-2-[[(1S)-1-Carboxy-3-phenylpropyl]amino]propanoyl]pyrrolidine-2-carboxylic Acid, Enalapril Maleate Imp. C (EP)