2,2-Dimethyl-4-oxo-4-(4-n-pentylphenyl)butyric acid

4-[4-(2-Methoxyethoxy)phenyl]-4-oxobutyric acid

Ethyl 7-(4-bromophenyl)-7-oxoheptanoate

ethyl 8-(4-fluorophenyl)-8-oxooctanoate

ethyl 5-(3,5-ditrifluoromethylphenyl)-5-oxovalerate

ethyl 8-oxo-8-phenyloctanoate

Ethyl 5-(2-bromophenyl)-5-oxovalerate

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

ethyl 4-(3,5-dimethylphenyl)-4-oxobutyrate

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

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