Showing structure for 4-hydroxy-3-(2-hydroxy-3-methylbut-3-en-1-yl)-n-(4-hydroxy-7-{[3-hydroxy-4-(c-hydroxycarbonimidoyloxy)-5-methoxy-6,6-dimethyloxan-2-yl]oxy}-8-methyl-2-oxochromen-3-yl)benzenecarboximidic acid