methyl (2R,3S)-2-acetoxy-3-bromo-3-phenylpropionate

methyl (4R,5S)-2-methoxy-2-methyl-5-phenyl-1,3-dioxolane-4-carboxylate

Methyl (2R,3S)-(+)-2-hydroxy-3-azido-3-phenyl-propionate

(2R,3S)-3-苯基-2-环氧乙烷羧酸甲酯

(2R,3S)-(+)-methyl 3-azido-2-benzoly-3-phenylpropionate