Showing structure for 8-benzoyl-4-(2-hydroxypropan-2-yl)-9-methyl-1,10-bis(3-methylbut-2-en-1-yl)-9-(4-methylpent-3-en-1-yl)-3-oxatricyclo[6.3.1.0²,⁶]dodec-2(6)-ene-7,12-dione