4-bromo-6-(trifluoromethyl)-1H-benzo[d]imidazole
5-bromo-2-phenyl-7-(trifluoromethyl)quinoxaline
8-bromo-2-phenyl-6-(trifluoromethyl)quinoxaline
5-bromo-2-(4-fluorophenyl)-7-(trifluoromethyl)quinoxaline
8-bromo-2-(4-fluorophenyl)-6-(trifluoromethyl)quinoxaline