3-[苄基-(2-甲氧基羰基乙基)-氨基]-丙酸乙酯

methyl 3-fluoropropanoate

3-碘丙酸甲酯

N-[(4-甲氧基苯基)甲基]-beta-丙氨酸甲酯

dimethyl 2-dimethoxyphosphorylpentanedioate