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