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