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

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

Ethyl 7-(5-Chloro-2-methoxyphenyl)-7-oxoheptanoate

Ethyl 7-(2-Chloro-4,5-difluorophenyl)-7-oxoheptanoate

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

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

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

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

Ethyl 4-(3-Ethoxyphenyl)-4-oxobutanoate

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

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

Ethyl 5-(3-Fluoro-4-methoxyphenyl)-5-oxovalerate

3,4-Difluorobenzophenone

3,4-二氟二苯酮

Ethyl 4-(4-Chloro-3-fluorophenyl)-4-oxobutanoate

ethyl 5-(2-chlorophenyl)-5-oxovalerate