4-Bromo-3-cyano-2-(trifluoromethoxy)pyridine-6-sulfonamide
2-Bromo-5-hydroxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
3-Bromo-2-cyano-6-(trifluoromethoxy)pyridine-4-sulfonamide
2-Bromo-4-hydroxy-5-(trifluoromethoxy)pyridine-3-acetonitrile
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