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