4-(4-Chloro-2-methylphenyl)-2,2-Dimethyl-4-oxobutyric acid

Ethyl 7-(3,4-dimethylphenyl)-7-oxoheptanoate

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

ethyl 7-(3-methylphenyl)-7-oxoheptanoate

Ethyl 5-(4-methylphenyl)-5-oxovalerate

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

ethyl 7-(3-fluorophenyl)-7-oxoheptanoate

ethyl 7-(3,4-difluorophenyl)-7-oxoheptanoate

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

ethyl 4-(2-methoxyphenyl)-4-oxobutyrate

Ethyl 5-(2-methoxyphenyl)-5-oxovalerate