Showing structure for [(1r,2r,3r,5s,8s,9s,10s,11r,12r)-3,9,10-trihydroxy-12-methyl-6-methylidene-7-oxo-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecan-12-yl]methyl acetate