4-Bromo-3'-chloro-5'-fluorobenzophenone

4-Bromo-4'-(ethylthio)benzophenone

3-Bromo-3',4'-difluorobenzophenone

3-Chloro-4'-methylbenzophenone

3-Chloro-4'-n-propylbenzophenone

4-Chloro-4'-(methylthio)benzophenone

3,5-Difluoro-3'-methylbenzophenone

3,5-Difluoro-4'-ethylbenzophenone

3,3',4,5'-Tetrafluorobenzophenone

3,4-Dichloro-4'-(methylthio)benzophenone

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