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