4-tert-Butyl-4'-fluorobenzophenone

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

3'-Fluoro-4-iodo-5'-methylbenzophenone

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

4-Iodo-4'-isopropylbenzophenone

2-Iodo-2'-methylbenzophenone

2-Chloro-3'-methylbenzophenone

3-Chloro-4'-n-pentylbenzophenone

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

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

4-tert-Butyl-4'-(thiomethyl)benzophenone