Synonyms: Germacra-4,11(13)-dien-12-oicacid, 9,10-epoxy-8-hydroxy-6-oxo-, g-lactone (8CI); Oxireno[9,10]cyclodeca[1,2-b]furan-7,9-dione,1a,2,3,6,7a,8,10a,10b-octahydro-1a,5-dimethyl-8-methylene-,[1aR-(1aR*,4Z,7aR*,10aR*,10bS*)]-; Dehydrostizolin; Stizolin, dehydro-