6-(Bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-methanol
2-(Chloromethyl)-5-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
2-(Bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-methanol
6-(Chloromethyl)-4-(difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine