4-Acetoxy-2',3'-difluorobenzophenone

4-Acetoxy-2',5'-dichlorobenzophenone

4-Acetoxy-2',6'-dichlorobenzophenone

4-Acetoxy-2',5'-dimethylbenzophenone

4-n-Butyl-2'-chlorobenzophenone

4-tert-Butyl-2'-chlorobenzophenone

2-Bromo-4'-tert-Butylbenzophenone

2-Bromo-3'-chloro-4'-fluorobenzophenone

3-Chloro-4-fluoro-2'-iodobenzophenone

3-Chloro-3',4,4'-trifluorobenzophenone

3-Chloro-5-fluoro-2'-iodobenzophenone