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

Ethyl 7-oxo-7-phenylheptanoate

ethyl 8-(4-methoxyphenyl)-8-oxooctanoate

Ethyl 7-(3,4-dimethylphenyl)-7-oxoheptanoate

ethyl 8-(2-bromophenyl)-8-oxooctanoate

ethyl 7-(3-methylphenyl)-7-oxoheptanoate

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

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

ethyl 7-(3-fluorophenyl)-7-oxoheptanoate

ethyl 7-(3,4-difluorophenyl)-7-oxoheptanoate

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