Showing structure for (1s,3s,4r,7s,8r,9s,10s,12r,14s,15r)-7-(acetyloxy)-3-hydroxy-5,5,9,15-tetramethyl-16-oxo-11-oxapentacyclo[12.2.1.0¹,¹⁰.0⁴,⁹.0¹⁰,¹²]heptadecan-8-yl acetate