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

ethyl 6-(3,5-dimethyl-4-methoxyphenyl)-6-oxohexanoate

Ethyl 2,2-dimethyl-4-oxo-4-phenylbutyrate

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

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

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

ethyl 6-(3,4-difluorophenyl)-6-oxohexanoate

ethyl 8-(3,4-difluorophenyl)-8-oxooctanoate

ethyl 4-(3-fluoro-4-methylphenyl)-4-oxobutyrate

ethyl 5-oxo-5-(4-thiomethylphenyl)valerate

Ethyl 6-(2-methoxyphenyl)-6-oxohexanoate