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