Showing structure for methyl (2e)-5-[(1s,2r,4s,4ar,8ar)-1,2,4a,5-tetramethyl-4-{[(2z)-2-methylbut-2-enoyl]oxy}-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]-3-methylpent-2-enoate