Synonyms: (1S,3aR,3bS,4R,5aS,7aS,8aR,11aR,13aS,15R,15aR,16aS,16bS,17aR)-tetradecahydro-4,15-dihydroxy-1,4,5a,13,13-pentamethyl-2H,8H-7a,16a-epoxy-10H-3,9,12,17-tetraoxacyclopent[3',3'a]azuleno[6',5':5,6]cyclooct[1,2,3-cd]-as-indacene-2,5,10,16(1H,13H)-tetrone