2,2-Dimethyl-4-[3,4-(ethylenedioxy)phenyl]-4-oxobutyric acid

ethyl 4-(2,5-dimethylphenyl)-4-oxobutyrate

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

ethyl 6-(3,5-ditrifluoromethylphenyl)-6-oxohexanoate

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

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

Ethyl 8-(3,5-dimethyl-4-methoxyphenyl)-8-oxooctanoate

Ethyl 6-(3-methylphenyl)-6-oxohexanoate

ethyl 6-(3,5-dimethylphenyl)-6-oxohexanoate

Ethyl 4-(3-methoxyphenyl)-4-oxobutyrate

ethyl 4-(3,4-difluorophenyl)-4-oxobutyrate