2-Bromo-4'-chloro-3'-fluorobenzophenone

3-Chloro-4'-ethoxybenzophenone

3,5-Difluoro-4'-ethoxybenzophenone

4-Chloro-2'-ethylbenzophenone

2-Ethyl-2'-iodobenzophenone

3,5-Difluoro-2'-ethylbenzophenone

4-Ethyl-3'-iodobenzophenone

2-Chloro-4'-(ethylthio)benzophenone

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

4-Bromo-3'-fluorobenzophenone

4-tert-Butyl-3'-fluorobenzophenone