Showing structure for (1s,2s,3s,5s,8s,9s,11r,16s,18r)-18-hydroxy-16-methoxy-12,12-dimethyl-6-methylidene-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-3-yl acetate