Synonyms: 2-Pentenoicacid, 3-methyl-5-[(4aS,5S,8aS)-3,4,4a,5,6,7,8,8a-octahydro-2,5,8a-trimethyl-5-(4-methyl-3-pentenyl)-1-naphthalenyl]-,(2E)- (9CI); 2-Pentenoic acid,3-methyl-5-[3,4,4a,5,6,7,8,8a-octahydro-2,5,8a-trimethyl-5-(4-methyl-3-pentenyl)-1-naphthalenyl]-,[4aS-[1(E),4aa,5a,8ab]]-; (+)-Dysideapalaunic acid; Dysideapalaunic acid