51802-55-2
5,7-dimethyl-6H-1,4-diazepine-2,3-dicarbonitrile
→
~58%
146273-54-3
5,7-dimethyl-4,5,6,7-tetrahydro-1H-1,4-diazepine-2,3-dicarbonitrile
123-54-6
乙酰丙酮