Showing structure for (1s,4r,5r,9s,10s,12r,15s)-9,15-bis(acetyloxy)-4-hydroxy-7,7,10,14-tetramethyl-11-oxo-16-oxapentacyclo[10.3.1.0¹,¹².0³,⁹.0⁶,⁸]hexadec-2-en-5-yl 2-methylbutanoate