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