3,4-Difluoro-4'-ethoxybenzophenone

4-Ethyl-4'-iodobenzophenone

3,5-Dichloro-3',4'-(ethylenedioxy)benzophenone

2-Bromo-3'-fluorobenzophenone

3,4-Dichloro-3'-fluorobenzophenone

4-tert-Butyl-4'-fluorobenzophenone

3-Chloro-3'-fluoro-4'-methylbenzophenone

3'-Fluoro-3-iodo-4'-methylbenzophenone

4-tert-Butyl-3'-fluoro-4'-methylbenzophenone

3,4-Dichloro-3'-fluoro-4'-methylbenzophenone

3,3',4-Trifluoro-5'-methylbenzophenone