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