3-Methoxy-3'-trifluoromethylbenzophenone

4-n-Butylbenzophenone

2-Chloro-3'-iodobenzophenone

2-Chloro-4'-nitrobenzophenone

4-Bromo-3'-nitrobenzophenone

2-Fluoro-4'-iodobenzophenone

2-Ethoxycarbonyl-4'-iodobenzophenone

3-Cyano-4'-iodobenzophenone

2-Methoxy-4'-nitrobenzophenone

2-Acetoxy-2'-trifluorobenzophenone

2-Acetoxy-4'-chlorobenzophenone