Ethyl 8-[4-(N,N-Diethylamino)phenyl]-8-oxooctanoate

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

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

Ethyl 8-(3,4,5-trichlorophenyl)-8-oxooctanoate

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

Ethyl 4-(4-n-Butylphenyl)-4-oxobutanoate

Ethyl 6-(4-n-Propylphenyl)-6-oxohexanoate

Ethyl 5-[4-(Ethylthio)phenyl]-5-oxovalerate

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

Ethyl 5-(3-Fluoro-2-methylphenyl)-5-oxovalerate

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