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