Showing structure for (1s,2r,5r,7s,8r,12r,15s,16r,17r)-17-hydroxy-2,7,15-trimethyl-13-oxapentacyclo[9.7.0.0²,⁸.0⁵,⁷.0¹²,¹⁶]octadec-10-en-14-one