Showing structure for (1s,2s,4r,5s,6r,7e,10r,11r,12s)-5,6-dihydroxy-4,8,12-trimethyl-13-oxo-3,14-dioxatricyclo[9.3.0.0²,⁴]tetradec-7-en-10-yl (2e)-2-methylbut-2-enoate