2-Bromo-2'-ethylbenzophenone

2-Ethyl-3'-iodobenzophenone

2-Bromo-4'-ethylbenzophenone

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

3,4-(Ethylenedioxy)-2'-iodobenzophenone

4-(Ethylthio)-2'-iodobenzophenone

4-Chloro-3'-fluorobenzophenone

3-Bromo-3'-fluorobenzophenone

3,3',4-Trifluorobenzophenone

2-Bromo-3'-fluoro-4'-methylbenzophenone

3'-Fluoro-4-iodo-4'-methylbenzophenone

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

3-Chloro-3'-fluoro-5'-methylbenzophenone

4'-Fluoro-2-iodo-3'-methylbenzophenone

3,3',5-Trifluoro-5'-methylbenzophenone