Ethyl 6-(4-chlorophenyl)-6-oxohexanoate

Ethyl 5-(3,5-dimethyl-4-methoxyphenyl)-5-oxovalerate

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

ethyl 7-(2-methylphenyl)-7-oxoheptanoate

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

ethyl 5-(3,4-difluorophenyl)-5-oxovalerate

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

Ethyl 5-(1-naphthyl)-5-oxovalerate

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

ethyl 5-(2,4-difluorophenyl)-5-oxovalerate

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