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