Ethyl 2,3-difluoro-4-(difluoromethyl)pyridine-5-carboxylate
5-(Difluoromethyl)-2,3-diiodopyridine-4-acetonitrile
Methyl 3,5-difluoro-2-(difluoromethyl)pyridine-4-carboxylate
Methyl 3,4-difluoro-5-(difluoromethyl)pyridine-2-carboxylate
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