p. 434 - 442
(2007/10/02)N-(2-benzamido-1-carbomethoxy-3-phenylpropyl)-Ala-Pro-OCH3
(S)-1-[(S)-2-((S)-2-Amino-1-methoxycarbonyl-3-phenyl-propylamino)-propionyl]-pyrrolidine-2-carboxylic acid methyl ester
N-<1-carboxamido-2-<(tert-butoxycarbonyl)amino>-3-phenylpropyl>-Ala-Pro-OCH3
(S)-1-[(S)-2-((S)-2-tert-Butoxycarbonylamino-1-cyano-3-phenyl-propylamino)-propionyl]-pyrrolidine-2-carboxylic acid
L-alanyl-L-proline