Showing structure for (5e,8's,9's)-4-hydroxy-5-(3h-imidazol-4-ylmethylidene)-9'-(3-methylbut-2-en-1-yl)-1h-1'-azaspiro[imidazole-2,11'-tricyclo[6.2.1.0²,⁷]undecane]-2',4',6'-trien-10'-one