Showing structure for (1e)-2-[(1s,2r,3s,9s,11s)-11-methoxy-3,9-dimethyl-3-(4-methylpent-3-en-1-yl)-8,12-dioxatricyclo[7.2.1.0¹,⁶]dodec-5-en-2-yl]ethenyl 3-methylbut-2-enoate