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