4,5-benzo-1-(trimethylsilyl)-8-oxa-cis-bicyclo[5.1.0]oct-4-ene

1-(trimethylsilyl)-4,5-benzo-1,4-cycloheptadiene

β-suberone

1,2-cis-1,2-dihydroxybenzosuberan

6-mercapto-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-ol