Synonyms: Holacanthone;Acetyl-glaucarubulone;NSC 126765;BRN 5461864;2H-1,11c-beta-(Epoxymethano)-phenanthro(10,1-bc)pyran-5,10(3H,6a-beta-H)-dione, 1,3a-beta,4,7,7a-alpha,11,11a,11b-octahydro-1-alpha,2-alpha,4-beta,11-beta-tetrahydroxy-3-alpha,18,11a-beta-trimethyl-, 4-acetate;NSC126765;84062-60-2;AC1L4K04;NSC-126765;LS-64079;NCI60_000614;B633407K028;Picras-3-ene-2,16-dione, 15-(acetyloxy)-11,20-epoxy-1,11,12-trihydroxy-;Picras-3-ene-2,16-dione, 15-(acetyloxy)-11,20-epoxy-1,11,12-trihydroxy- (9CI);5H-1,1-bc]pyran-5,10(6a.beta.H)-dione,1,2,3,3a.beta.,4,7,7a.alpha.,11,11a,11b.alpha.-decahydro-1.alpha.,2.alpha.,4.beta.,11.beta.-tetrahydroxy-3.alpha.,8,11a.beta.-trimethyl-, 4-acetate