N-[苄氧羰基]-L-谷氨酸 5-叔丁酯 1-苄酯

4(S)-(2-tert-butoxycarbonylethyl)-5-oxo-oxazolidine 3-carboxylic acid benzyl ester

(S)-1-allyl 5-tert-butyl 2-(((benzyloxy)carbonyl)amino)pentanedioate

(S)-(+)-3-(苄氧基羰基)-5-氧代-4-噁唑啉丙酸

N-苄氧羰基-L-谷氨酸