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