3-chloro-4-fluoro-4'-methoxybenzophenone

3-fluoro-3'-nitrobenzophenone

3-Ethoxycarbonyl-3'-nitrobenzophenone

4-ethoxycarbonyl-3'-iodobenzophenone

2-iodo-2'-thiomethylbenzophenone

1-Naphthyl-4-nitrophenyl ketone

4-Nitro-4'-thiomethylbenzophenone

2-Acetoxy-4'-trifluorobenzophenone

2-Acetoxy-4'-cyanobenzophenone

2-Acetoxy-4'-butylbenzophenone

2-Acetoxy-4'-heptylbenzophenone