Showing structure for (1s,5r,7s)-3-(3,4-dihydroxybenzoyl)-4-hydroxy-8,8-dimethyl-5-[(2r)-4-methyl-2-(prop-1-en-2-yl)pent-3-en-1-yl]-1,7-bis(3-methylbut-2-en-1-yl)bicyclo[3.3.1]non-3-ene-2,9-dione