4-Fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetonitrile
5-Cyano-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
4-Fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetonitrile
4-Cyano-5-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
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