4-Bromo-3',5'-dichlorobenzophenone

3-Bromo-3',4'-dimethoxybenzophenone

3-Chloro-3'-methoxybenzophenone

3-Chloro-3',4'-dimethoxybenzophenone

3-Chloro-3'-fluoro-4'-methoxybenzophenone

4-Chloro-4'-(ethylthio)benzophenone

3,5-Difluoro-4'-methoxybenzophenone

3-Chloro-3',5,5'-trifluorobenzophenone

3,4-Dichloro-4'-ethylbenzophenone

4-n-Butyl-3',4'-dichlorobenzophenone

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