3-Chloro-3',5'-difluoro-4-methylbenzophenone

4-Chloro-4'-ethoxybenzophenone

4-Bromo-2'-ethylbenzophenone

3,4-Difluoro-2'-ethylbenzophenone

4-tert-Butyl-4'-ethylbenzophenone

3,4-(Ethylenedioxy)-3'-iodobenzophenone

2-Bromo-4'-(ethylthio)benzophenone

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

4-(Ethylthio)-4'-iodobenzophenone

3,4,4'-Trifluorobenzophenone

3,5-Dichloro-4'-fluorobenzophenone