3,4-dimethyl-4'-methoxybenzophenone

4-ethoxycarbonyl-4'-iodobenzophenone

2-cyano-2'-iodobenzophenone

1-Naphthyl-4-nitrophenyl ketone

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

2-Acetoxy-4'-methoxybenzophenone

2-Acetoxy-3'-trifluorobenzophenone

2-Acetoxy-4'-iodobenzophenone

2-Acetoxy-4'-isopropylbenzophenone

2-Acetoxy-4'-phenoxybenzophenone

2-Acetoxy-4'-butoxybenzophenone