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

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

Ethyl 6-(5-Chloro-2-methoxyphenyl)-6-oxohexanoate

Ethyl 6-(2-Chloro-6-fluorophenyl)-6-oxohexanoate

Ethyl 4-(3,4,5-trichlorophenyl)-4-oxobutanoate

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

Ethyl 6-(2,4,5-trimethoxyphenyl)-6-oxohexanoate

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

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

Ethyl 5-(3-Methyl-2-thienyl)-5-oxovalerate

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

Ethyl 4-(3-Fluoro-2-methylphenyl)-4-oxobutanoate

Ethyl 4-(2-Methoxy-5-methylphenyl)-4-oxobutanoate

Ethyl 5-(4-Chloro-3-methylphenyl)-5-oxovalerate

ethyl 5-[4-(2-Methoxyethoxy)phenyl]-5-oxovalerate