Showing structure for 2-methyl-1-(2,4,6-trihydroxy-3-{6-methyl-1-[2,4,6-trihydroxy-3-(3-methylbut-2-en-1-yl)-5-(2-methylbutanoyl)phenyl]heptyl}-5-(3-methylbut-2-en-1-yl)phenyl)butan-1-one