4'-Bromo-4-iodobenzophenone

2-fluoro-4'-nitrobenzophenone

4-ethoxycarbonyl-3'-nitrobenzophenone

2-Ethoxycarbonyl-3'-iodobenzophenone

4-cyano-2'-iodobenzophenone

4-Fluoro-3-methyl-4'-nitrobenzophenone

2-Acetoxy-4'-methylbenzophenone

2-Acetoxy-2'-iodobenzophenone

2-Acetoxy-4'-ethylbenzophenone

2-Acetoxy-4'-hexylbenzophenone

2-Acetoxy-4'-heptyloxybenzophenone