Ethyl 4-(difluoromethyl)-2-iodopyridine-5-acetate
Methyl 4,6-dibromo-2-(difluoromethyl)pyridine-3-carboxylate
Methyl 2,4-dibromo-5-(difluoromethyl)pyridine-3-carboxylate
Ethyl 3-(difluoromethyl)-5-iodopyridine-4-acetate
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