(2S,3R)-2-O-benzyl-4-phenyl-3-[(9-phenyl-9-fluorenyl)-amino]-phenylbutanoic acid

苯乙醛

(2S,3R)-3-azido-2-hydroxy-4-phenylbutanoic acid

ethyl (2S,3R)-3-azido-2-hydroxy-4-phenylbutanoate

(3S,5R,6S,9R)-3-[(1R)-1-azido-2-phenylethyl]-9-methyl-6-(1-methyl-1-phenylethyl)-1,4-dioxaspiro[4.5]decan-2-one