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