3,4-Dimethoxy-2'-iodobenzophenone

3,5-Dichloro-2'-ethylbenzophenone

2-Bromo-3',4'-(ethylenedioxy)benzophenone

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

4-(Ethylthio)-3'-iodobenzophenone

3,5-Dichloro-4'-(ethylthio)benzophenone

3,3',5-Trifluorobenzophenone

3-Chloro-4'-fluorobenzophenone

3,5-Dichloro-3'-fluorobenzophenone

3'-Fluoro-3-iodo-4'-methoxybenzophenone

4-tert-Butyl-3'-fluoro-4'-methoxybenzophenone