Showing structure for (4s)-4-[2,2-dimethyl-8-(3-methylbut-2-en-1-yl)-3,4-dihydro-1-benzopyran-6-yl]-12,12-dimethyl-3,11-dioxatricyclo[8.4.0.0²,⁷]tetradeca-1,7,9-trien-6-one