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