2-((3aS,4S,8S)-9,9-dimethyl-3a,4,8,9-tetrahydro-5H-4,8-ethenocyclopenta[8]annulen-5-ylidene)malononitrile

2-溴丙二腈

四氟硼酸卓鎓

7-(Dicyanomethylene)norbornadiene

3-Methylentetracyclo[3.2.0.02,7.04,6]heptan-8,8-dicarbonitril