3,3'-Dimethoxybenzophenone

3,5-Dimethyl-4'-methoxybenzophenone

4-Methoxy-4'-trifluoromethylbenzophenone

3-Iodobenzophenone

3-chloro-3'-iodobenzophenone

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