10H-BENZO(b)XANTHENE-7,10,12-TRIONE, 6,11-DIHYDROXY-3,8-DIMETHOXY-1-METHYL-, DIA 10H-Benzo(b)xanthene-7,10,12-trione, 6,11-dihydroxy-3,8-dimethoxy-1-methyl-, diacetate 33390-28-2 BRN 1444530 Diacetyl-O-bikaverin