(2S)-2-[tert-butoxycarbonyl-(4-methoxybenzyl)amino]-4-pentenoic acid methyl ester

N-叔丁氧羰基-L-谷氨酸5-苄酯

tert-butyl (3R,5S)-5-(((tert-butyldiphenylsilyl)oxy)methyl)-3-methyl-2-oxopyrrolidine-1-carboxylate

Boc-L-谷氨酸5苄酯Alpha甲酯

benzyl (2R,4S)-4-((tert-butoxycarbonyl)amino)-5-hydroxy-2-methylpentanoate