Showing structure for (2z,4r,8r,9r,11s)-2-(hydroxymethyl)-11-methyl-7-methylidene-6,12-dioxo-5,14-dioxatricyclo[9.2.1.0⁴,⁸]tetradeca-1(13),2-dien-9-yl (2r)-2-methylbutanoate