4-Chloro-3'-fluorobenzophenone

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

3,5-Difluoro-2'-methylbenzophenone

4-tert-Butyl-3'-methylbenzophenone

3-Iodo-4'-methylbenzophenone

4-Iodo-4'-n-pentylbenzophenone

4-tert-Butyl-2'-(thiomethyl)benzophenone

3,5-Difluoro-2'-(thiomethyl)benzophenone

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

2-Chloro-3-(2-thiazolylcarbonyl)pyridine

2-Chloro-5-(2-ethoxycarbonylbenzoyl)pyridine