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