3,4-Dimethoxy-1,2:5,6-dibenzanthracene 3,4-Dimethoxy-dba 4-06-00-07046 (Beilstein Handbook Reference) 5,6-Dimethoxydibenz(a,h)anthracene 63040-49-3 BRN 3427604 DIBENZ(a,h)ANTHRACENE, 5,6-DIMETHOXY-