Synonyms: 1b,4bH,10bH-Guaia-5,11-diene (8CI); Azulene, 1,2,3,3a,4,5,6,7-octahydro-1,4-dimethyl-7-(1-methylethenyl)-,[1R-(1a,3ab,4a,7b)]-; (+)-g-Gurjunene;1,2,3,3a,4,5,6,7-Octahydro-1,4-dimethyl-7-(1-methylethenyl)-[1R-(1a,3ab,4a,7b)]-azulene; 5,11-Guaiadiene; g-Gurjunene