ethyl 5-(2,4-dimethoxyphenyl)-5-oxovalerate

Ethyl 6-(2-Chloro-6-fluorophenyl)-6-oxohexanoate

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

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

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

Ethyl 7-(2,4,5-trimethoxyphenyl)-7-oxoheptanoate

Ethyl 7-(2,3,4-trimethoxyphenyl)-7-oxoheptanoate

Ethyl 4-[2-(Methylthio)phenyl]-4-oxobutanoate

Ethyl 4-(5-Chloro-2-thienyl)-4-oxobutanoate

Ethyl 4-[3,4-(Methylenedioxy)phenyl]-4-oxobutanoate

Ethyl 5-[3,4-(methylenedioxy)phenyl]-5-oxovalerate