Ethyl 2-(difluoromethyl)-3,6-diiodopyridine-4-carboxylate
6-(Difluoromethyl)-2,3-diiodopyridine-5-acetonitrile
Ethyl 3-(difluoromethyl)-2,5-diiodopyridine-6-carboxylate
Ethyl 2,3-difluoro-4-(difluoromethyl)pyridine-5-carboxylate
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