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

ethyl 5-(3-bromo-4-methylphenyl)-5-oxovalerate

Ethyl 4-(4-bromo-2-methylphenyl)-4-oxobutyrate

Ethyl 4-(2-iodophenyl)-4-oxobutyrate

ethyl 6-(3-iodophenyl)-6-oxohexanoate

ethyl 6-(4-iodophenyl)-6-oxohexanoate

ethyl 7-oxo-7-(2-trifluoromethylphenyl)heptanoate

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

Ethyl 4-oxo-4-(3-trifluoromethylphenyl)butyrate

ethyl 8-(2,3-dichlorophenyl)-8-oxooctanoate

ethyl 8-(2,4-dichlorophenyl)-8-oxooctanoate

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

ethyl 8-(4-ethylphenyl)-8-oxooctanoate

ethyl 7-oxo-7-(4-n-pentylphenyl)heptanoate

ethyl 7-(4-hexylphenyl)-7-oxoheptanoate