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