4-Cyano-5-hydroxy-3-(trifluoromethoxy)pyridine-2-sulfonamide
5-Cyano-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetic acid
4-Cyano-3-hydroxy-2-(trifluoromethoxy)pyridine-5-sulfonamide
2-Cyano-4-methyl-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
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