2-08-00-00416 (Beilstein Handbook Reference) 3,9-Dihydroxy-7H-benz(de)anthracen-7-one 3,9-Dihydroxy-benzanthrone 69658-17-9 7H-BENZ(de)ANTHRACEN-7-ONE, 3,9-DIHYDROXY- BRN 3340178