6-(Trifluoromethoxy)-2,3,4-trihydroxypyridine
5-(Trifluoromethoxy)-2,3,4-trihydroxypyridine
5-Cyano-2-hydroxy-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-Chloro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-sulfonamide
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