3-Hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-6-methanol
4-(Bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
4-(Bromomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
2-Hydroxy-6-nitro-5-(trifluoromethoxy)pyridine-3-methanol