6-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Cyano-4-nitro-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
2-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
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