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