6-Bromo-2-chloro-3-(difluoromethyl)pyridine-4-sulfonyl chloride
4-Bromo-2-cyano-3-(difluoromethyl)pyridine-6-carbonyl chloride
Methyl 5-bromo-3-cyano-2-(difluoromethyl)pyridine-4-acetate
3-Bromo-5-cyano-2-(difluoromethyl)pyridine-6-carbonyl chloride
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