1a,2,3,13c-Tetrahydro-naphtho(2',1':6,7)phenanthro(3,4-b)oxirene-2,3-diol 3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrodibenz(a,h)anthracene 86541-62-0 BRN 4715637 Naphtho(2',1':6,7)phenanthro(3,4-b)oxirene-2,3-diol, 1a,2,3,13c-tetrahydro- c-3,t-4-Dihydroxy-r-1,2-epoxy-1,2,3,4-tetrahydrodibenz(a,h)anthracene