Synonyms: 2(3H)-Benzofuranone,3ab,4,5,6,7,7aa-hexahydro-7a-isopropenyl-6a-methyl-3-methylene-6-vinyl-,(+)- (8CI); 2(3H)-Benzofuranone,6-ethenylhexahydro-6-methyl-3-methylene-7-(1-methylethenyl)-, [3aS-(3aa,6a,7b,7ab)]-; Dehydrosaussurea lactone;Saussurea lactone, dehydro-