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

3,5-Difluoro-2'-methylbenzophenone

3-Bromo-2'-methylbenzophenone

4-Iodo-3'-methylbenzophenone

2-Iodo-4'-methylbenzophenone

3-Chloro-4'-n-pentylbenzophenone

3,5-Dichloro-4'-n-pentylbenzophenone

3-Iodo-4'-n-propylbenzophenone

3-Bromo-2'-(thiomethyl)benzophenone

3,4-Dichloro-2'-(thiomethyl)benzophenone

3-Iodo-3',4',5'-trifluorobenzophenone