Methyl 4-bromo-5-chloro-2-(difluoromethyl)pyridine-3-carboxylate
Methyl 4-bromo-5-chloro-3-(difluoromethyl)pyridine-2-carboxylate
2-Bromo-3-cyano-6-(difluoromethyl)pyridine-5-acetonitrile
3-Bromo-2-(chloromethyl)-6-cyano-4-(difluoromethyl)pyridine
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