(S)-1-5-甲基 2-((叔丁氧基羰基)氨基)戊二酸苄酯

丙氨酰谷氨酰胺

(S)-2-1-叔丁基 5-氧代吡咯烷-1,2-二羧酸苄酯

1-Benzyl 5-methyl N,N-bis{[(2-methyl-2-propanyl)oxy]carbonyl}-L-g lutamate

Benzyl N,N-bis{[(2-methyl-2-propanyl)oxy]carbonyl}-5-oxo-L-norval inate