Ethyl 4-(4-heptyloxyphenyl)-4-oxobutyrate

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

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

Ethyl 8-(2-Chloro-4,5-difluorophenyl)-8-oxooctanoate

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

Ethyl 4-(2,4,5-trimethoxyphenyl)-4-oxobutanoate

Ethyl 6-(2,3,4-trimethoxyphenyl)-6-oxohexanoate

Ethyl 5-[2-(Methylthio)phenyl]-5-oxovalerate

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

Ethyl 5-(5-Chloro-2-thienyl)-5-oxovalerate

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