ethyl 6-(3,5-dimethylphenyl)-6-oxohexanoate

Ethyl 4-(3,5-dichlorophenyl)-4-oxobutyrate

ethyl 6-(3,5-difluorophenyl)-6-oxohexanoate

ethyl 5-(4-fluoro-3-methylphenyl)-5-oxovalerate

ethyl 5-oxo-5-(4-thiomethylphenyl)valerate

ethyl 8-(2-naphthyl)-8-oxooctanoate

ethyl 8-(2,3-difluorophenyl)-8-oxooctanoate

ethyl 6-(2,3-difluorophenyl)-6-oxohexanoate

ethyl 8-(2,5-difluorophenyl)-8-oxooctanoate

Ethyl 7-(3-cyanophenyl)-7-oxoheptanoate

ethyl 6-(4-biphenyl)-6-oxohexanoate

Ethyl 2,2-dimethyl-4-(4-methoxyphenyl)-4-oxobutyrate

Ethyl 8-cyclohexyl-8-oxooctanoate

Ethyl 8-cyclopentyl-8-oxooctanoate

Ethyl 6,6-dimethyl-5-oxoheptanoate