1,5-dihydro-2,4,3λ⁴-benzodioxathiepine 3-oxide

[2-[hydroxy(diphenyl)methyl]phenyl]-diphenylmethanol

1,1,3,3-tetraphenyl-2-benzofuran

3-methylidene-1,5-dihydro-2,4-benzodioxepine

9,10-二氢-9,9,10-三苯基蒽