Showing structure for (2s,5s,9s,10r,11r,15s,18r)-7,9,10,18-tetrahydroxy-12,12-dimethyl-6-methylidene-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-15-yl acetate