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