4-n-Butylbenzophenone

4-chloro-3'-nitrobenzophenone

2-fluoro-3'-iodobenzophenone

3-fluoro-3'-iodobenzophenone

3-ethoxycarbonyl-3'-iodobenzophenone

2-cyano-2'-iodobenzophenone

4-biphenyl-4-nitrophenyl ketone

2-Acetoxy-2'-methoxybenzophenone

2-Acetoxy-2'-fluorobenzophenone

2-Acetoxy-3'-nitrobenzophenone

2-Acetoxy-4'-pentylbenzophenone