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