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