3-Acetoxy-2',5'-difluorobenzophenone

4-Acetoxy-4'-butoxybenzophenone

4-Acetoxy-2',3'-dichlorobenzophenone

4-Acetoxy-2',5'-dimethoxybenzophenone

2-Bromo-4'-n-Butylbenzophenone

2-Bromo-4'-tert-Butylbenzophenone

2-Chloro-3',4'-difluorobenzophenone

4-Fluoro-3,3',5'-trichlorobenzophenone

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

4-Bromo-3'-chloro-4'-methylbenzophenone

3-Chloro-3',5'-difluoro-4-methylbenzophenone