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

Ethyl 8-oxo-8-(9-Phenanthryl)octanoate

ethyl 8-(2,4-difluorophenyl)-8-oxooctanoate

Ethyl 4-(2,5-difluorophenyl)-4-oxobutyrate

ethyl 7-(2,6-difluorophenyl)-7-oxoheptanoate

Ethyl 8-(3-cyanophenyl)-8-oxooctanoate

Ethyl 7-(4-cyanophenyl)-7-oxoheptanoate

Ethyl 2,2-dimethyl-4-(4-methoxyphenyl)-4-oxobutyrate

ethyl 7-cyclopentyl-7-oxoheptanoate

ethyl 6-cyclopentyl-6-oxohexanoate

Ethyl 5-cyclopropyl-5-oxovalerate