Showing structure for (1s,2r,4r,7r,8s,10r,11r)-7-hydroxy-4,8-dimethyl-12-methylidene-5,13-dioxo-3,14-dioxatricyclo[9.3.0.0²,⁴]tetradecan-10-yl (2e)-2-methylbut-2-enoate