ethyl 4-oxo-4-(3,4,5-trifluorophenyl)butyrate

ethyl 8-(2-methoxyphenyl)-8-oxooctanoate

Ethyl 5-oxo-5-(9-Phenanthryl)valerate

Ethyl 4-(1-naphthyl)-4-oxobutyrate

ethyl 8-(2,4-difluorophenyl)-8-oxooctanoate

Ethyl 6-(2,5-difluorophenyl)-6-oxohexanoate

Ethyl 6-(3-cyanophenyl)-6-oxohexanoate

ethyl 7-(4-biphenyl)-7-oxoheptanoate

ethyl 2,2-dimethyl-4-(3-methoxyphenyl)-4-oxobutyrate

Ethyl 6-cyclohexyl-6-oxohexanoate

ethyl 8-cyclopropyl-8-oxooctanoate

Ethyl 5-oxoheptanoate

Ethyl 4-oxononanoate

Ethyl 4-oxoheptanoate

Ethyl 4-oxo-4-(3-pyridyl)butyrate