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

3,5-Dichloro-3'-fluorobenzophenone

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

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

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

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

4-Bromo-2'-methylbenzophenone

3-Iodo-3'-methylbenzophenone

3-Bromo-4'-n-pentylbenzophenone

3,5-Dichloro-4'-n-pentylbenzophenone

4-Bromo-2'-(thiomethyl)benzophenone