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