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