Ethyl 4-[4-(N,N-Diethylamino)phenyl]-4-oxobutanoate

Ethyl 5-(4-Chloro-2-fluorophenyl)-5-oxovalerate

Ethyl 7-(2-Chloro-4-fluorophenyl)-7-oxoheptanoate

Ethyl 6-(4-Chloro-2-methoxyphenyl)-6-oxohexanoate

Ethyl 7-(2-Chloro-4-(methylthio)phenyl)-7-oxoheptanoate

Ethyl 4-(2-Chloro-4,5-difluorophenyl)-4-oxobutanoate

Ethyl 8-(3,4,5-trichlorophenyl)-8-oxooctanoate

Ethyl 5-(3,4,5-trichlorophenyl)-5-oxovalerate

Ethyl 8-(2,4,5-trimethoxyphenyl)-8-oxooctanoate

Ethyl 8-(2,3,4-trimethoxyphenyl)-8-oxooctanoate

Ethyl 8-(4-n-Propylphenyl)-8-oxooctanoate