4-Bromo-4'-methylbenzophenone

3-Bromo-3',4'-dimethoxybenzophenone

3-Bromo-3'-iso-propoxybenzophenone

4-tert-Butyl-3'-chlorobenzophenone

3,3',5'-Trichlorobenzophenone

4-Chloro-3'-methylbenzophenone

4-Chloro-4'-ethylbenzophenone

4-Chloro-3',5'-dimethyl-4'-methoxybenzophenone

3,5-Difluoro-4'-(methylthio)benzophenone

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

3,3',4,5'-Tetrafluorobenzophenone