Showing structure for 1-benzoyl-4,4,12,12-tetramethyl-9-[5-methyl-2-(prop-1-en-2-yl)hex-4-en-1-yl]-11-(3-methylbut-2-en-1-yl)-3-oxatricyclo[7.3.1.0²,⁷]trideca-2(7),5-diene-8,13-dione