Showing structure for 6-benzoyl-10-(3-hydroxy-3-methylbut-1-en-1-yl)-3-(2-hydroxypropan-2-yl)-11,11-dimethyl-8-(3-methylbut-2-en-1-yl)-4-oxatricyclo[6.3.1.0¹,⁵]dodec-5-ene-7,12-dione