3,3',4'-Trichlorobenzophenone

4-Chloro-4'-ethylbenzophenone

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

3,5-Difluoro-4'-(methylthio)benzophenone

3,5-Difluoro-4'-n-propylbenzophenone

3,3',4,5'-Tetrafluorobenzophenone

3,4-Dichloro-3',5'-difluorobenzophenone

3,4-Dichloro-4'-ethylbenzophenone

3,4-Dichloro-3',4'-dimethylbenzophenone

3,4-Difluoro-4'-methoxybenzophenone

4-n-Butyl-3',4'-difluorobenzophenone