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