(2S,3R)-3-(Boc-氨基)-2-羟基-4-苯基丁酸

(3S)-3-([(1,1-dimethylethyl)oxy]carbonylamino)-2-hydroxy-4-phenylbutyl ethanoate

二碳酸二叔丁酯

(2S,3S)-2-azido-1-phenyl-butane-3,4-diol

tert-butyl ((2S,3S)-4-(benzyloxy)-3-hydroxy-1-phenylbutan-2-yl)carbamate