2-​Pyrrolidineacetic acid, 1-​[(1,​1-​dimethylethoxy)​carbonyl]​-​, methyl ester, (2S)​-

2-甲基-2-丙基(2S)-2-[(4-硝基苯基)氨基甲酰]-1-吡咯烷羧酸酯

(S)-2-(2-吡咯烷基)乙酸甲酯

1-[叔丁氧羰基]-L-脯氨酰-L-苯丙氨酸

methyl 1-[(1,1-dimethylethoxy)carbonyl]-2-pyrrolidinepropanoate