Showing structure for (3r,4r,6r,8s,9s,10r,11r,14s,15r)-17-(acetyloxy)-4,10,15-trihydroxy-5,5,10,15-tetramethyl-7-oxapentacyclo[12.2.1.0¹,¹¹.0⁴,⁹.0⁶,⁸]heptadecan-3-yl acetate