Ethyl 7-(2,4-dimethoxyphenyl)-7-oxoheptanoate

Ethyl 6-[3-(N,N-Dimethylamino)phenyl]-6-oxohexanoate

Ethyl 8-[4-(N,N-Dimethylamino)phenyl]-8-oxooctanoate

Ethyl 5-[4-(N,N-Diethylamino)phenyl]-5-oxovalerate

Ethyl 8-(4-Chloro-2-fluorophenyl)-8-oxooctanoate

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

Ethyl 8-(2-Chloro-4,5-difluorophenyl)-8-oxooctanoate

Ethyl 6-(3,4,5-trichlorophenyl)-6-oxohexanoate

Ethyl 5-(2,3,4-trimethoxyphenyl)-5-oxovalerate

Ethyl 7-(4-n-Propylphenyl)-7-oxoheptanoate

Ethyl 4-(3-Bromo-2-thienyl)-4-oxobutanoate