Showing structure for 2,5-dihydroxy-6-[2-(5-hydroxy-11-methyl-3-{[2-(2-methylbut-3-en-2-yl)-1h-indol-3-yl]methylidene}-2-oxo-1,4-diazaspiro[5.5]undeca-4,9-dien-8-yl)ethenyl]-3-(3-methylbut-2-en-1-yl)benzaldehyde