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