Showing structure for (1r,2r,4r,6r,8s,9z,11r)-8-hydroxy-9-(hydroxymethyl)-4-methyl-14-methylidene-13-oxo-5,12-dioxatricyclo[9.3.0.0⁴,⁶]tetradec-9-en-2-yl (2z)-2-methylbut-2-enoate