5-[3,4-(Ethylenedioxy)phenyl]-5-oxovaleric acid

Ethyl 3-chloro-4-fluorobenzoylformate

ethyl 4-ethylbenzoylformate

4-(Ethylthio)thiophenol

4-(4-Fluorophenyl)thiophenol

3-(3-Fluorophenyl)thiophenol

4-(4-n-Propylphenyl)thiophenol

5-Fluoro-2-methylthiophenol

4-Chloro-2-methylthiophenol

3'-Fluoro-4'-methoxy-2,2,2-trifluoroacetophenone

3',5'-Dimethyl-4'-methoxy-2,2,2-trifluoroacetophenone