2H-Pyrano[4,3-b]pyridine-3-carbonitrile, 1,5,7,8-tetrahydro-7,7-dimethyl-2-oxo-
CAS No. 5705-25-9
2H-Pyrano[4,3-b]pyridine-3-carbonitrile, 1,5,7,8-tetrahydro-7,7-dimethyl-2-oxo-; 7,7-Dimethyl-2-oxo-1,5,7,8-tetrahydro-2H-pyrano[4,3-b]pyridine-3-carbonitrile