2-(Difluoromethyl)-5-iodopyridine-3-sulfonamide
3-(Difluoromethyl)pyridine-5-acetonitrile
Ethyl 4-amino-3-(difluoromethyl)pyridine-2-carboxylate
6-(Difluoromethyl)-2-iodopyridine-3-acetonitrile
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