6-Cyano-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
Ethyl 2-cyano-3-nitro-5-(trifluoromethoxy)pyridine-6-acetate
2-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-6-sulfonamide
Methyl 4-cyano-3-nitro-2-(trifluoromethoxy)pyridine-5-acetate
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