5-Bromo-2-chloro-3-(difluoromethyl)pyridine-4-carbonyl chloride
4-Bromo-3-chloro-6-(difluoromethyl)pyridine-2-carbonyl chloride
4-Bromo-3-cyano-5-(difluoromethyl)pyridine-2-sulfonamide
4-Bromo-3-cyano-2-(difluoromethyl)pyridine-5-sulfonamide
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