二碳酸二叔丁酯

N-Boc-L-苯丙氨醛

(4S,5S)-4-benzyl-5-(2-hydroxyethyl)-2-oxazolidinone

(4S)-4-(N-tert-butoxycarbonyl)amino-5-phenyl-2-penten-1-ol

(4S)-N-(tert-botoxycarbonyl)-4-amino-1-chloro-5-phenyl-2-pentene