3-chloro-3',5'-dimethoxybenzophenone

4-Chloro-4'-ethoxybenzophenone

2-Ethyl-4'-iodobenzophenone

2-Bromo-3',4'-(ethylenedioxy)benzophenone

2-Chloro-4'-(ethylthio)benzophenone

2-Bromo-3'-fluorobenzophenone

4-Chloro-4'-fluorobenzophenone

2-Bromo-3'-fluoro-4'-methylbenzophenone

3'-Fluoro-2-iodo-4'-methylbenzophenone

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

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