3-Methoxy-2'-thiomethylbenzophenone

4-chloro-3'-nitrobenzophenone

3-fluoro-3'-nitrobenzophenone

2-fluoro-4'-nitrobenzophenone

4-Fluoro-3'-iodobenzophenone

4-Ethoxycarbonyl-4'-nitrobenzophenone

3-Ethoxycarbonyl-4'-iodobenzophenone

4-Cyano-4'-iodobenzophenone

2-Cyano-4'-iodobenzophenone

2-Methoxy-4'-nitrobenzophenone

2-Acetoxy-3'-methoxybenzophenone