1a,9b-dichloro-1,1-difluoro-1a,1b,2,3,4,5,6,7,8,9,9a,9b-dodecahydrocyclopropa[l]phenanthrene

1a,9b-dibromo-1,1-difluoro-1a,1b,2,3,4,5,6,7,8,9,9a,9b-dodecahydrocyclopropa[l]phenanthrene

对称八氢蒽

Ethyl (E)/(Z)-[2-(1-cyclohexen-1-yl)cyclohexylidene]cyanoacetate

1,2,3,4-四氢萘