Methyl 2,5-dibromo-3-(difluoromethyl)pyridine-6-acetate
5-(Bromomethyl)-2-(difluoromethyl)pyridine-4-carboxylic acid
4-(Difluoromethyl)-2-iodopyridine-6-acetonitrile
Ethyl 4-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-carboxylate
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