Showing structure for (1s,2e,8s,10r,11r)-10,11-dihydroxy-6-(methoxymethyl)-1,10-dimethyl-5-oxo-4,14-dioxatricyclo[9.2.1.0³,⁷]tetradeca-2,6-dien-8-yl 2-methylprop-2-enoate