Ethyl 7-(4-methoxyphenyl)-7-oxoheptanoate

ethyl 5-oxo-5-(4-phenoxyphenyl)valerate

ethyl 4-(2-methoxyphenyl)-4-oxobutyrate

Ethyl 5-(2-methoxyphenyl)-5-oxovalerate

Ethyl 6-oxo-6-(9-Phenanthryl)hexanoate

ethyl 8-(2,3-difluorophenyl)-8-oxooctanoate

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

ethyl 7-(2,4-difluorophenyl)-7-oxoheptanoate

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

Ethyl 6-(3-cyanophenyl)-6-oxohexanoate

Ethyl 4-(4-biphenyl)-4-oxobutyrate