Showing structure for (1s,3s,8s,9s,10s,13r)-3-hydroxy-6,9,10-trimethyl-5-oxo-4,14-dioxatetracyclo[7.5.0.0¹,¹³.0³,⁷]tetradec-6-en-8-yl 2-methylprop-2-enoate