4-n-Butyl-3'-chlorobenzophenone

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

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

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