Showing structure for (1s,2z,4s,8r,9r,11s)-1-hydroxy-2-(hydroxymethyl)-11-methyl-7-methylidene-6-oxo-5,14-dioxatricyclo[9.2.1.0⁴,⁸]tetradeca-2,12-dien-9-yl (2z)-2-methylbut-2-enoate