Synonyms: Germacra-1(10),11(13)-dien-12-oicacid, 4,5a-epoxy-2a,8a-dihydroxy-, g-lactone (8CI);Oxireno[4,5]cyclodeca[1,2-b]furan-8(1aH)-one,2,3,6,6a,9,9a,10,10a-octahydro-3-hydroxy-1a,5-dimethyl-9-methylene-,[1aR-(1aR*,3S*,4Z,6aS*,9aR*,10aR*)]-; Baileyin; NSC 179192