(2S)-2-氨基-4-甲硫基丁酸甲酯

Cbz-aspartic acid α,β-dimethyl ester

N-苄氧羰基-L-天冬氨酸4-甲酯

N-CBZ-L-天冬氨酸

(2S)-2-benzyloxycarbonylamino-succinic acid-4-methyl ester 1-[2-(2-methyl-oxiranyl)-ethyl]ester