5-(Dicyanomethylene)tricyclo[4.1.0.02,7]hept-3-ene

(2,4,6-环庚三烯-1-亚基)丙二腈

2-((1R,2S,5R,6S,7R,10S)-12-oxatetracyclo[4.4.1.12,5.07,10]dodeca-3,8-dien-11-ylidene)malononitrile

(2aS,2bR,2cR,5aS,7aR)-2a,2b,2c,7a-Tetrahydro-5aH-3-oxa-cyclobuta[a]cyclopenta[f]pentalene-6,6-dicarbonitrile

cyclopropene