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