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