4-tert-Butyl-3',5'-dimethoxybenzophenone

4-tert-Butyl-4'-ethylbenzophenone

4-tert-Butyl-3',4'-(ethylenedioxy)benzophenone

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

4-tert-Butyl-3'-fluorobenzophenone

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

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

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

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

2-Iodo-4'-isopropylbenzophenone

3,4-Difluoro-2'-methylbenzophenone