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