3,8-bis(diphenylphosphinyl)-1,2-dihydrocyclobuta[b]naphthalene

2,2-dichloro-1H-cyclobuta[b]naphthalene

3,8-bis(diisopropylphosphinyl)-1,2-dihydrocyclobuta[b]naphthalene

1,4,5,8-tetrahydronaphtho[b]cyclobutene

2-(氯甲基)-3-甲基萘