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

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

4-Chloro-3'-fluoro-5'-methylbenzophenone

3,4-Dichloro-3'-fluoro-5'-methylbenzophenone

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

4-tert-Butyl-4'-isopropylbenzophenone

3,5-Dichloro-3'-methylbenzophenone

4-Bromo-4'-n-pentylbenzophenone

4-tert-Butyl-4'-n-pentylbenzophenone

4-Iodo-4'-n-propylbenzophenone

3,4-Dichloro-2'-(thiomethyl)benzophenone