5-(4-Ethoxyphenyl)-3-methyl-5-oxovaleric acid

ethyl 7-(2,5-dimethylphenyl)-7-oxoheptanoate

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

ethyl 8-oxo-8-phenyloctanoate

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

ethyl 7-(2-bromophenyl)-7-oxoheptanoate

Ethyl 5-(2-methylphenyl)-5-oxovalerate

ethyl 6-(4-methylphenyl)-6-oxohexanoate

ethyl 2,2-dimethyl-4-(3,5-dimethylphenyl)-4-oxobutyrate

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

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