3,5-Difluoro-4'-iodobenzophenone

4-Ethoxy-2'-iodobenzophenone

2-Bromo-2'-ethylbenzophenone

3,4-Difluoro-2'-ethylbenzophenone

3,5-Dichloro-4'-ethylbenzophenone

4-(Ethylthio)-3'-iodobenzophenone

4-Bromo-3'-fluorobenzophenone

4-tert-Butyl-4'-fluorobenzophenone

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

3-Bromo-3'-fluoro-5'-methylbenzophenone

4-tert-Butyl-3'-fluoro-5'-methylbenzophenone