(2S,1'S)-5-hydroxy-2-(1'-phenylethylamino)pentanenitrile

(2S,1'S)-1-(1'-phenylethyl)pyrrolidine-2-carboxamide

N-苄氧羰基-L-谷氨酸

(S)-4-[2'-(Chloroformyl)ethyl]-5-oxooxazolidin-3-carbonsaeure-benzylester

(S)-(+)-3-(苄氧基羰基)-5-氧代-4-噁唑啉丙酸