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