(S)-N-Boc-2,2-二甲基噁唑烷-4-甲酸

ditert-butyl carbonate

N-甲氧基-N-甲基-N2-{[(2-甲基-2-丙基)氧基]羰基}-L-丝氨酰胺

(S)-ethyl 2-((tert-butoxycarbonyl)amino)-3-hydroxypropanoate