Methyl 2,3-difluoro-4-(difluoromethyl)pyridine-5-carboxylate
3,5-Difluoro-2-(difluoromethyl)pyridine-4-carboxylic acid
3,4-Difluoro-5-(difluoromethyl)pyridine-2-carboxylic acid
4-(Bromomethyl)-2-(difluoromethyl)-3,5-diiodopyridine
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