Showing structure for (1s,2s,5r,6r,8s,9r,10s,11r,12s,13s,15r)-9,10,13,15-tetrahydroxy-6,12-dimethyl-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-12-yl acetate