4-(Bromomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-Hydroxy-4-iodo-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
5-Hydroxy-4-iodo-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-(Bromomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxaldehyde