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