Methyl 2-(bromomethyl)-5-(difluoromethyl)pyridine-4-acetate
Ethyl 2-(difluoromethyl)-3-iodopyridine-6-acetate
3,6-Dibromo-4-(difluoromethyl)pyridine-2-sulfonyl chloride
Methyl 4-(difluoromethyl)-5-iodopyridine-2-acetate
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