Showing structure for (1r,2s,5s,6s,9r,11s,15s)-5,9,13-trimethyl-15-(6-methylhepta-1,5-dien-2-yl)-3-oxatetracyclo[9.2.2.0¹,⁹.0²,⁶]pentadec-12-ene-4,10-dione