Synonyms: Germacr-1(10)-en-12-oicacid, 4,5b-epoxy-6a,8a-dihydroxy-, 12,6-lactone, acetate, (E)-(11S)- (8CI);Oxireno[9,10]cyclodeca[1,2-b]furan-9(1aH)-one,7-(acetyloxy)-2,3,6,7,7a,8,10a,10b-octahydro-1a,5,8-trimethyl-,[1aR-(1aR*,4E,7S*,7aR*,8S*,10aS*,10bR*)]-; Lanuginolide