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