6-Cyano-3-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine
4-Cyano-3-methyl-2-(trifluoromethoxy)pyridine-5-sulfonamide
6-Cyano-4-fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine
4-Chloro-2-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
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