Synonyms: AC1O5TSU;[(4aR,5R,6S,9aR)-3,4a,5-trimethyl-2-oxo-4,5,6,7,8,9a-hexahydrobenzo[f][1]benzofuran-6-yl] (Z)-2-methylbut-2-enoate;2-Butenoic acid, 2-methyl-, 2,4,4a,5,6,7,8,9a-octahydro-3,4a,5-trimethyl-2-oxonaphtho(2,3-b)furan-6-yl ester, (4aR-(4aalpha,5alpha,6alpha,6(Z),9abeta))-;74799-14-7