Showing structure for (1s,2r,7s,9r,11s,12s,15r,16r,18r)-15-[(2r,5s)-5,6-dimethylheptan-2-yl]-18-hydroxy-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one