Cbz-L-脯氨酸酰胺

1-[(苯基甲氧基)羰基]-L-脯氨酰-L-亮氨酰-甘氨酰胺

(S)-(+)-1-(2-吡咯烷甲基)吡咯烷

(s)-(-)-2-(1-吡咯烷羰基)-1-吡咯烷羧酸苄酯

benzyl (2S)-2-(2-bromoacetyl)pyrrolidine-1-carboxylate