Synonyms: 2-Butenoicacid, 2-methyl-,decahydro-1,5,6-trihydroxy-3a,6-dimethyl-1-(1-methylethyl)-4,8-azulenediylester, [1a,3aa,4a(Z),6b,8a(Z),8ab]-; Crotonic acid, 2-methyl-, 1,2,3,3a,4a,5,6,7,8a,8ab-decahydro-1a,5,6b-trihydroxy-1-isopropyl-3aa,6-dimethyl-4,8-azulenylene ester, (Z,Z)- (8CI);Laserpitinol