5-羟基-N-[(苯基甲氧基)羰基]-L-戊氨酸-1-甲基乙酯

N-benzyloxycarbonyl-L-pyroglutamic acid isopropyl ester

5-[(甲基磺酰基)氧基]-N-[(苯基甲氧基)羰基]-L-戊氨酸 1-甲基乙酯

isopropyl (S)-2-(2-acetyl-1-benzyloxycarbonylhydrazino)-5-(methanesulfonyloxy)pentanoate

(3S)-1,2-bis[(2-methylpropan-2-yl)oxycarbonyl]diazinane-3-carboxylic acid