Synonyms: 4bH-Guaia-10(14),11(13)-dien-12-oicacid, 6a,8a-dihydroxy-3-oxo-, 12,6-lactone (8CI);Azuleno[4,5-b]furan-2,8(3H,4H)-dione,octahydro-4-hydroxy-9-methyl-3,6-bis(methylene)-, [3aR-(3aa,4a,6aa,9a,9aa,9bb)]-; Grosshemin (7CI); 3-Oxo-8a-hydroxy-10(14),11(13)-guaiadien-12,6-olide; Grosheimin; NSC 295425