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