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

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

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

Ethyl 4-(5-Chloro-2-thienyl)-4-oxobutanoate

Ethyl 4-(4-tert-Butyl-2,6-dimethylphenyl)-4-oxobutanoate

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

Ethyl 4-(3-Chloro-4-fluorophenyl)-4-oxobutanoate

Ethyl 4-(4-Chloro-3-fluorophenyl)-4-oxobutanoate

ethyl 6-[4-(2-Methoxyethoxy)phenyl]-6-oxohexanoate

3,4-Dimethyl-1-(1,3-dioxolan-2-ylmethyl)benzene

4-(1,3-Dioxolan-2-ylmethyl)-1-fluorobenzene