6-Bromo-4-cyano-2-(difluoromethyl)pyridine-3-carboxylic acid
Methyl 5-bromo-2-cyano-3-(difluoromethyl)pyridine-6-carboxylate
Methyl 3-bromo-6-cyano-4-(difluoromethyl)pyridine-2-carboxylate
2-Bromo-3-cyano-6-(difluoromethyl)pyridine-5-carboxylic acid
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