Showing structure for (1s,2r,4r,5s,7r,9r,11s,12r)-5-hydroxy-4,9-dimethyl-13-methylidene-14-oxo-3,8,15-trioxatetracyclo[10.3.0.0²,⁴.0⁷,⁹]pentadecan-11-yl (2e)-2-methylbut-2-enoate