Synonyms: Azuleno[6,5-b]furan-2(3H)-one,7-(acetyloxy)-3a,4,4a,5,6,7,7a,9a-octahydro-5-hydroxy-5,8-dimethyl-3-methylene-,[3aR-(3aa,4aa,5a,7a,7ab,9aa)]-; Guaia-9,11(13)-dien-12-oic acid, 2a,4,8a-trihydroxy-, g-lactone, 2-acetate (8CI); NSC 220533; Neogaillardin; Pleniradin acetate