ethyl 7-(3,5-dichlorophenyl)-7-oxoheptanoate

ethyl 4-(3,4-difluorophenyl)-4-oxobutyrate

ethyl 8-(3,5-difluorophenyl)-8-oxooctanoate

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

ethyl 7-(2-methoxyphenyl)-7-oxoheptanoate

Ethyl 4-oxo-4-(9-Phenanthryl)butyrate

ethyl 4-(2,4-difluorophenyl)-4-oxobutyrate

ethyl 7-(2,4-difluorophenyl)-7-oxoheptanoate

ethyl 7-(2-fluorophenyl)-7-oxoheptanoate

Ethyl 6-(4-cyanophenyl)-6-oxohexanoate

ethyl 2,2-dimethyl-4-oxo-4-(3,4,5-trifluorophenyl)butyrate

Ethyl 5-cyclohexyl-5-oxovalerate

ethyl 6-cyclopentyl-6-oxohexanoate

Ethyl 6-cyclopropyl-6-oxohexanoate

Ethyl 8-oxododecanoate