Showing structure for 3-(3,4-dihydroxybenzoyl)-5-(2,7-dimethylocta-1,6-dien-3-yl)-4-hydroxy-8,8-dimethyl-1,7-bis(3-methylbut-2-en-1-yl)bicyclo[3.3.1]non-3-ene-2,9-dione