11,12-Dihydroxy-11,12-dihydrodibenzo(a,l)pyrene 88191-01-9 CCRIS 6331 Dibenzo(a,l)pyrene 11,12-dihydrodiol Dibenzo(a,l)pyrene-11,12-dihydrodiol Dibenzo(a,l)pyrene-11,12-diol Dibenzo(def,p)chrysene-11,12-diol, 11,12-dihydro-