Synonyms: Ambrosa-10(14),11(13)-dien-12-oicacid, 1,4b,6b-trihydroxy-, g-lactone, 4-acetate (8CI);Azuleno[4,5-b]furan-2(3H)-one,9-(acetyloxy)decahydro-6a-hydroxy-9a-methyl-3,6-bis(methylene)-, [3aS-(3aa,6aa,9b,9ab,9ba)]-; Tetraneurin E, D10(15)-anhydro-; D10(15)-Anhydrotetraneurin E