10H-BENZO(b)XANTHENE-7,10,12-TRIONE, 6,11-DIHYDROXY-3,8-DIMETHOXY-1-METHYL-, DIB 10H-Benzo(b)xanthene-7,10,12-trione, 6,11-dihydroxy-3,8-dimethoxy-1-methyl-, dibenzoate 33390-32-8 4-18-00-03612 (Beilstein Handbook Reference) BRN 0381403 Di-O-benzoyl bikaverin