Ethyl 4-(4-Chloro-2-methoxyphenyl)-4-oxobutanoate

Ethyl 4-(2-Chloro-4-(methylthio)phenyl)-4-oxobutanoate

Ethyl 6-(2-Chloro-4-(methylthio)phenyl)-6-oxohexanoate

Ethyl 4-(2-Chloro-6-fluorophenyl)-4-oxobutanoate

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

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

Ethyl 7-(3,4,5-trimethoxyphenyl)-7-oxoheptanoate

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

Ethyl 5-(4-n-Propylphenyl)-5-oxovalerate

Ethyl 6-(4-n-Propylphenyl)-6-oxohexanoate

Ethyl 5-(3-Ethoxyphenyl)-5-oxovalerate