4-Cyano-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxamide
4-Cyano-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxamide
3-Cyano-4-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxamide
3-Cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxamide
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