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