3-Bromo-5-(difluoromethyl)pyridine-2-carbonyl chloride
4-Chloro-2-(difluoromethyl)pyridine-6-acetic acid
3-Bromo-4-(difluoromethyl)pyridine-2-carbonyl chloride
3-Bromo-2-(difluoromethyl)pyridine-4-carbonyl chloride
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