3,5-Dichloro-3',4'-dimethoxybenzophenone

3,4-Dichloro-2'-ethylbenzophenone

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

4-(Ethylthio)-2'-iodobenzophenone

4-(Ethylthio)-4'-iodobenzophenone

2-Bromo-3'-fluoro-4'-methoxybenzophenone

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

3'-Fluoro-3-iodo-5'-methylbenzophenone

3,3',4-Trifluoro-5'-methylbenzophenone

2-Bromo-4'-isopropylbenzophenone

3-Chloro-2'-methylbenzophenone