Synonyms: Azuleno[4,5-b]furan-2(3H)-one,decahydro-3,8-dihydroxy-3-(hydroxymethyl)-6,9-bis(methylene)-, [3R-(3a,3aa,6aa,8b,9aa,9bb)]-; Guaia-4(15),10(14)-dien-12-oic acid, 3b,6a,11,13-tetrahydroxy-, g-lactone, (11R)- (8CI); NSC 352264; Solstitialin; Solstitialin A