12,13-Dihydroxy-10,11-epoxy-10,11,12,13-tetrahydrodibenz(a,e)fluoranthenene 85057-68-7 Dibenz(1,2:4,5)aceanthryleno(9,10-b)oxirene-12,13-diol, 1a,12,13,13a-tetrahydro-(1a-alpha,12-alpha,13-beta,13a-alpha)-