6-Bromo-3-cyano-4-(difluoromethyl)pyridine-2-sulfonamide
2-Bromo-3-cyano-4-(difluoromethyl)pyridine-6-sulfonamide
2-Bromo-3-cyano-5-(difluoromethyl)pyridine-6-sulfonamide
3-Bromo-6-(difluoromethyl)-2-fluoro-4-iodopyridine
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