Methyl 5-chloro-4-(difluoromethyl)pyridine-2-carboxylate
4-Chloro-5-(difluoromethyl)pyridine-2-carboxylic acid
2-Chloro-5-(difluoromethyl)pyridine-3-carboxylic acid
2-Chloro-3-(difluoromethyl)pyridine-4-carboxylic acid
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