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