2-Bromo-3-cyano-4-(difluoromethyl)pyridine-5-carboxylic acid
3-Bromo-6-cyano-2-(difluoromethyl)pyridine-5-carboxaldehyde
5-Bromo-2-cyano-4-(difluoromethyl)pyridine-3-carboxaldehyde
5-Bromo-2-cyano-3-(difluoromethyl)pyridine-4-carboxaldehyde
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