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