6-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
6-Cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Cyano-6-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
6-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-methanol
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