10,10a-Dihydro-9H-fluorantheno(1,10b)oxirene-9,10-diol 2,3-Dihydroxy-1,10b-epoxy-1,2,3-trihydrofluoranthene 82911-13-5 9H-Fluorantheno(1,10b-b)oxirene-9,10-diol, 10,10a-dihydro-