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