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