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