顺,顺-1,5-环辛二烯

顺式,反式-1,5-环辛二烯

1,2,3,4,11,11-hexachloro-1,4,4a,5,6,9,10,10a-octahydro-1,4-methano-benzocyclooctene

4-乙烯基环己烯

cis-1,2-diethenylcyclobutane