Showing structure for (1s,9r,11s,12s,15r,16r,18r)-15-[(2r,5s)-5,6-dimethylheptan-2-yl]-18-hydroxy-2,16-dimethyl-8-oxatetracyclo[9.7.0.0³,⁹.0¹²,¹⁶]octadeca-2,4-dien-7-one