3-Bromo-4'-iso-propylbenzophenone

4-Chloro-3',4'-difluorobenzophenone

4-Chloro-4'-(ethylthio)benzophenone

3,4'-Dichloro-5-fluorobenzophenone

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

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

3,4-Dichloro-3'-methoxybenzophenone

4-tert-Butyl-3',4'-dichlorobenzophenone

5-Fluoro-3,3',4'-trichlorobenzophenone

3,4-Difluoro-4'-ethylbenzophenone

4-Methoxy-3,3',4'-trifluorobenzophenone