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