1627-06-1 5,12:6,11-Di-o-benzenodibenzo[a,e]cyclooctene, 5,6,11,12-tetrahydro- 5,12[1',2']:6,11[1'',2'']-Dibenzenodibenzo[a,e]cyclooctene, 5,6,11,12-tetrahydro- Anthracene photodimer Anthracene, dimer Dianthracene NSC52620