Showing structure for [(1s,4r,12r,16s,17s)-17-hydroxy-12-methyl-8-oxapentacyclo[14.2.1.0¹,¹³.0⁴,¹².0⁵,⁹]nonadeca-5(9),6,10-trien-17-yl]methyl (9z,12z)-octadeca-9,12-dienoate