Showing structure for methyl (1s,4s,5r,9r,10s,11s,13s,15s)-10,11-dihydroxy-5,9-dimethyl-15-{[(2z)-2-methylbut-2-enoyl]oxy}-14-methylidenetetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylate