5-[3,4-(Ethylenedioxy)phenyl]-3-methyl-5-oxovaleric acid

6-(2-chlorophenyl)-6-oxohexanoic acid

Ethyl 4-(3-bromophenyl)-4-oxobutyrate

Ethyl 7-(4-chlorophenyl)-7-oxoheptanoate

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

Ethyl 4-(3,4-dimethylphenyl)-4-oxobutyrate

Ethyl 4-(2-methylphenyl)-4-oxobutyrate

ethyl 8-(3-methylphenyl)-8-oxooctanoate

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

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

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