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