Showing structure for (1s,2s,3r,4s,7r,8r,10s,13s)-2-hydroxy-3,4,13-trimethyl-12-oxo-11,14-dioxatetracyclo[8.3.1.0¹,¹⁰.0³,⁸]tetradecan-7-yl (2z)-2-methylbut-2-enoate