2-Bromo-3-(difluoromethyl)-6-hydroxy-5-(trifluoromethyl)pyridine
2-Bromo-3-(difluoromethyl)-5-hydroxy-6-(trifluoromethyl)pyridine
2-Bromo-3-(difluoromethyl)-4-hydroxy-6-(trifluoromethyl)pyridine
3-Bromo-6-(chloromethyl)-2-(difluoromethyl)-4-hydroxypyridine