3-Bromo-3'-methoxybenzophenone

3-Bromo-3'-fluoro-4'-methylbenzophenone

4-n-Butyl-3'-chlorobenzophenone

3-Chloro-3',4'-dimethylbenzophenone

4-Chloro-4'-(methylthio)benzophenone

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