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