(3aS-(3aalpha,6beta,6aalpha,9abeta,9balpha))-3,3a,4,5,6,6a,9a,9b-Octahydro-6a-hydroxy-6,9a-dimethyl-3-methyleneazuleno (4,5-b)furan-2,9-dione 10-alpha-H-AMBROSA-2,11(13)-DIEN-12-OIC ACID, 1,6-beta-DIHYDROXY-4-OXO-, gamma-L 10-alpha-H-Ambrosa-2,11(13)-dien-12-oic acid, 1,6-beta-dihydroxy-4-oxo-, gamma-lactone 10alphaH-Ambrosa-2,11(13)-dien-12-oic acid, 1,6beta-dihydroxy-4-oxo-, gamma-lactone (8CI) 508-59-8 Azuleno(4,5-b)furan-2,9-dione, 3,3a,4,5,6,6a,9a,9b-octahydro-6a-hydroxy-6,9a-dimethyl-3-methylene-, (3aS-(3aalpha,6beta,6aalpha,9abeta,9balpha))- (9CI) NSC 85239 Parthenicin Parthenin