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