Ethyl 5-(2-iodophenyl)-5-oxovalerate

ethyl 4-(4-iodophenyl)-4-oxobutyrate

Ethyl 6-(3-nitrophenyl)-6-oxohexanoate

Ethyl 6-oxo-6-(3-trifluoromethylphenyl)hexanoate

ethyl 4-(2,3-dichlorophenyl)-4-oxobutyrate

ethyl 4-(2,4-dichlorophenyl)-4-oxobutyrate

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

Ethyl 7-(4-isopropylphenyl)-7-oxoheptanoate

Ethyl 4-(4-hexylphenyl)-4-oxobutyrate

ethyl 8-(2-ethoxyphenyl)-8-oxooctanoate

Ethyl 4-oxo-4-(4-isopropoxyphenyl)butyrate

ethyl 8-oxo-8-(4-pentyloxyphenyl)octanoate

ethyl 7-(2,3-dimethoxyphenyl)-7-oxoheptanoate

ethyl 6-(2,3-dimethoxyphenyl)-6-oxohexanoate

ethyl 6-(2,5-dimethoxyphenyl)-6-oxohexanoate