(3R,4S)-4-tert-butoxycarbonylamino-3-hydroxycyclopent-1-enecarboxylic acid methyl ester

氯甲酸甲酯

(1S,3R,4S)-3-({[(1,1-dimethylethyl)oxy]carbonyl}amino)-4-hydroxycyclopentanecarboxylic acid

4-[[(1,1-二甲基乙氧基)羰基]氨基]-2-环戊烯-1-羧酸甲酯

二碳酸二叔丁酯