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