Methyl 2-bromo-5-(chloromethyl)-6-(difluoromethyl)pyridine-3-carboxylate
2-Chloro-6-(difluoromethyl)-3-iodopyridine-4-acetic acid
2-Chloro-5-(difluoromethyl)-3-iodopyridine-4-acetic acid
2-Chloro-4-(difluoromethyl)-3-iodopyridine-5-acetic acid
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