Showing structure for (1r,2s,6r,8s,9s,10r,11s,12s,13s,14s,17s)-9,10,13-trihydroxy-2,6,11,17-tetramethyl-7,15-dioxapentacyclo[12.2.1.0²,¹².0⁵,¹¹.0⁶,⁸]heptadec-4-ene-3,16-dione