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