Showing structure for (2s,6r,7r,11s,12r,14s)-11-hydroxy-14-methyl-5,9-dimethylidene-4-oxo-3,13-dioxatetracyclo[8.4.0.0²,⁶.0¹²,¹⁴]tetradecan-7-yl (2z)-2-methylbut-2-enoate