Showing structure for (1r,2s,4s,5r,9s,10s,12s,14r)-14-(acetyloxy)-5,9-dimethyl-2-{[(2z)-2-methylbut-2-enoyl]oxy}-13-methylidenetetracyclo[10.2.2.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylic acid