2-(cyclohexen-1-yl)-1-diethoxyphosphorylethanone

5-氯-3-苯基-1H-吲哚-2-羧酸乙酯

3-甲基吲哚-2-甲酸乙酯

Methyl 2-(benzyloxycarbonylamino)-2-dimethoxyphosphoryl-acetate

ethyl 3,4-dihydro-2H-pyran-6-carboxylate