3-Bromo-3',5'-difluorobenzophenone

3-Bromo-4'-(ethylthio)benzophenone

3-Chloro-4'-methylbenzophenone

3-Chloro-4'-iso-propylbenzophenone

3-Chloro-3',4'-dimethoxybenzophenone

4-Chloro-4'-methylbenzophenone

4-Chloro-4'-n-propylbenzophenone

3,4,4'-Trichlorobenzophenone

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

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

3,5-Difluoro-3',4'-dimethoxybenzophenone

3,4-Dichloro-4'-methylbenzophenone

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

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

3,4-Dichloro-4'-(ethylthio)benzophenone