4-phenyl-3-tert-butoxycarbonylamino-1-butene

tert-butyl 4-bromo-3-oxo-1-phenylbutan-2-ylcarbamate

N-叔丁氧羰基-L-苯丙氨酸甲酯

N-t-叔丁氧羰基-2S-1S-丁基二甲基硅烷基氧基-2-氯乙基)氮丙啶

2S-t-丁基二甲基硅烷基氧基-3R-(t-叔丁氧羰基)-氨基-1,4-二氯丁烷