7-(1-methylethylidene)-3,3-bis(trifluoromethyl)bicyclo[2.2.1]hept-5-ene-2,2-dicarbonitrile

2-isopropylidenecyclopentane-1,3-diyl biradical

7-(1-methylethylidene)bicyclo[2.2.1]hept-5-ene-2,2,3,3-tetracarbonitrile

7-isopropylidene-2,3-dicarbomethoxynorbornadiene

叠氮