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