Methyl 6-bromo-2-cyano-3-(difluoromethyl)pyridine-4-carboxylate
5-Bromo-2-cyano-3-(difluoromethyl)pyridine-6-acetonitrile
Ethyl 5-bromo-3-chloro-2-(difluoromethyl)pyridine-4-acetate
2-Bromo-5-(difluoromethyl)-6-fluoropyridine-3-carbonyl chloride
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