Showing structure for (1r,3r,4r,6r,8s,9s,10r,11r,14s,15r,17s)-4,10,15,17-tetrahydroxy-5,5,10,15-tetramethyl-7-oxapentacyclo[12.2.1.0¹,¹¹.0⁴,⁹.0⁶,⁸]heptadecan-3-yl acetate