Showing structure for 3-{[7-(4-hydroxy-3-methylbut-2-en-1-yl)-5-(3-methylbut-2-en-1-yl)-2-(2-methylbut-3-en-2-yl)-1h-indol-3-yl]methyl}-6-methyl-3,6-dihydropyrazine-2,5-diol