Showing structure for 1-benzoyl-9-(3,7-dimethylocta-2,6-dien-1-yl)-4,4,12,12-tetramethyl-11-(3-methylbut-2-en-1-yl)-3-oxatricyclo[7.3.1.0²,⁷]tridec-2(7)-ene-8,13-dione