5-Bromo-3-cyano-2-(difluoromethyl)pyridine-4-carboxaldehyde
6-Bromo-2-(bromomethyl)-3-cyano-4-(difluoromethyl)pyridine
Ethyl 2-bromo-3-cyano-6-(difluoromethyl)pyridine-5-carboxylate
4-Bromo-5-(chloromethyl)-2-cyano-3-(difluoromethyl)pyridine
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