Ethyl 6-(4-bromophenyl)-6-oxohexanoate

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

ethyl 5-oxo-5-(3-phenoxyphenyl)valerate

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

Ethyl 7-oxo-7-(9-Phenanthryl)heptanoate