141665-63-6
2-((3aS,4S,8S)-9,9-dimethyl-3a,4,8,9-tetrahydro-5H-4,8-ethenocyclopenta[8]annulen-5-ylidene)malononitrile
2175-91-9
6,6-二甲基-5-亚甲基-1,3-环戊二烯
2860-54-0
(2,4,6-环庚三烯-1-亚基)丙二腈
141665-64-7
2-(9,9-dimethyl-8,9-dihydro-3H-4,8-ethenocyclopenta[8]annulen-5(4H)-ylidene)malononitrile
141684-30-2
(3aR,3bS,9aR)-3-(propan-2-ylidene)-3b,9a-dihydro-3H-cyclopenta[a]azulene-9,9(3aH)-dicarbonitrile

参考文献

Liu, Ching-Yang; Ding, Shuenn-Tarng Journal of Organic Chemistry, 1992 , vol. 57, # 16 p. 4539 - 4544