Showing structure for (1s,2r,5r,7s,8s,9r,10r,11s,15r,16r,18s)-16-methoxy-12,12-dimethyl-6-methylidene-17-oxapentacyclo[7.6.2.1⁵,⁸.0¹,¹¹.0²,⁸]octadecane-7,9,10,15,18-pentol