6-Bromo-4-fluoro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
6-Bromo-2-cyano-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-Bromo-3-fluoro-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-Bromo-5-cyano-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine