2-Chloro-3',4'-dimethylbenzophenone

3,5-Dichloro-4'-ethylbenzophenone

4-tert-Butyl-3',4'-(ethylenedioxy)benzophenone

3,4-(Ethylenedioxy)-4'-iodobenzophenone

3-Chloro-3'-fluorobenzophenone

3,4-Dichloro-4'-fluorobenzophenone

2-Bromo-3'-fluoro-4'-methoxybenzophenone

3'-Fluoro-2-iodo-4'-methoxybenzophenone

3,3',4-Trifluoro-4'-methylbenzophenone

2-Bromo-3'-fluoro-5'-methylbenzophenone

4-Bromo-3'-fluoro-5'-methylbenzophenone