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