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