Synonyms: Hymenin;Parthenin;NSC 85239;10-alpha-H-Ambrosa-2,11(13)-dien-12-oic acid, 1,6-beta-dihydroxy-4-oxo-, gamma-lactone;(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;Epiparthenin;AC1L1VC1;CHEMBL312004;20555-04-8;508-59-8;LS-16551;10alphaH-Ambrosa-2,11(13)-dien-12-oic acid, 1,6beta-dihydroxy-4-oxo-, gamma-lactone;(3aS,6S,6aR,9aS,9bR)-6a-hydroxy-6,9a-dimethyl-3-methylidene-4,5,6,9b-tetrahydro-3aH-azuleno[8,7-b]furan-2,9-dione;10alphaH-Ambrosa-2,11(13)-dien-12-oic acid, 1,6beta-dihydroxy-4-oxo-, gamma-lactone (8CI);1beta,10alphaH-Ambrosa-2,11(13)-dien-12-oic acid, 1,6beta-dihydroxy-4-oxo-, gamma-lactone;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,6S,6aR,9aS,9bR)-;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))-;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);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,6abeta,9abeta,9balpha))-