Ethyl 4-(2,3-difluorophenyl)-4-oxobutyrate

ethyl 6-cyclopentyl-6-oxohexanoate

Ethyl 8-oxodecanoate

Ethyl 7-oxododecanoate

Ethyl 3-(1,3-dioxan-2-yl)propionate

Ethyl 4-oxo-4-(4-pyridyl)butyrate

Ethyl 3-acetylbenzoate

3-乙酰基苯甲酸乙酯

Ethyl 4-(3-bromo-4-methylphenyl)-4-oxobutyrate

ethyl 6-(4-bromo-2-methylphenyl)-6-oxohexanoate

ethyl 6-(3-iodophenyl)-6-oxohexanoate

ethyl 7-(4-iodophenyl)-7-oxoheptanoate