4-Hydroxy-2-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
3-(Aminomethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-Hydroxy-5-methoxy-4-(trifluoromethoxy)pyridine-2-sulfonamide
3-Hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride