4-Bromo-3',5'-difluorobenzophenone

3-Bromo-4'-ethylbenzophenone

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

4-tert-Butyl-3'-chlorobenzophenone

3-Chloro-4'-(ethylthio)benzophenone

4-Chloro-4'-n-propylbenzophenone

4-Chloro-3',5'-dimethylbenzophenone

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

3,4-Dichloro-3'-methylbenzophenone

3,3',4,5'-Tetrachlorobenzophenone

3,4-Difluoro-4'-methoxybenzophenone