Showing structure for 5-hydroxy-2-(2-hydroxy-4-{5-hydroxy-2-[5-hydroxy-8-(4-methylpent-3-en-1-yl)-4-oxo-2h,3h,8h-pyrano[2,3-f]chromen-2-yl]phenoxy}phenyl)-8-(4-methylpent-3-en-1-yl)-2h,3h,8h-pyrano[2,3-f]chromen-4-one