126335-09-9 5,7-Dihydro-4-(2-(difluoromethoxy)phenyl)-2-methyl-5-oxofuro(3,4-b)pyridine-3-carbonitrile BRN 4270244 Furo(3,4-b)pyridine-3-carbonitrile, 5,7-dihydro-4-(2-(difluoromethoxy)phenyl)-2-methyl-5-oxo-