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