Showing structure for (2s)-7-hydroxy-2-[(3r)-3-hydroxy-2,2-dimethyl-8-(3-methylbut-2-en-1-yl)-3,4-dihydro-1-benzopyran-6-yl]-8-(3-methylbut-2-en-1-yl)-2,3-dihydro-1-benzopyran-4-one