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

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

3-Iodo-2'-methylbenzophenone

2-Iodo-3'-methylbenzophenone

2-Bromo-4'-n-pentylbenzophenone

3-Iodo-4'-n-propylbenzophenone

2-Chloro-2'-(thiomethyl)benzophenone