Synonyms: 1H-3a,6-Methanoazulene-3-carboxylicacid, octahydro-7,7-dimethyl-8-methylene-, [3S-(3a,3aa,6a,8aa)]-; 1H-3aa,6-Methanoazulene-3-carboxylic acid, 2,3b,4,5,6b,7,8,8aa-octahydro-7,7-dimethyl-8-methylene-(8CI); Khusenic acid (6CI); Vetivenic acid (7CI); (+)-Zizanoic acid; Zizanoicacid