Ethyl 7-[3-(N,N-Dimethylamino)phenyl]-7-oxoheptanoate

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

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

Ethyl 5-(2-Chloro-6-fluorophenyl)-5-oxovalerate

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

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

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

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

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

Ethyl 4-(2,3,4,5,6-Pentamethylphenyl)-4-oxobutanoate

Ethyl 5-(3-Chloro-5-fluorophenyl)-5-oxovalerate