Tetraphene

7,8,9,10-tetrahydro-6a,10a-epoxybenzo[pqr]tetraphene-5,6-diol

(11s,12s)-11,12-dihydrocyclopenta[ij]tetraphene-11,12-diol

7,12-bis(hydroxymethyl)tetraphene-3,4-diol

(3R,4R)-7-fluoro-3,4-dihydrotetraphene-3,4-diol