ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C20H14N2O7S2.2Na/c23-17-9-8-13-10-14%2830%2824%2C25%2926%2911-18%2831%2827%2C28%2929%2919%2813%2920%2817%2922-21-16-7-3-5-12-4-1-2-6-15%2812%2916%3B%3B/h1-11%2C23H%2C%28H%2C24%2C25%2C26%29%28H%2C27%2C28%2C29%29%3B%3B/q%3B2%2A%201/p-2/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C20H14N2O7S2.2Na/c23-17-9-8-13-10-14%2830%2824%2C25%2926%2911-18%2831%2827%2C28%2929%2919%2813%2920%2817%2922-21-16-7-3-5-12-4-1-2-6-15%2812%2916%3B%3B/h1-11%2C23H%2C%28H%2C24%2C25%2C26%29%28H%2C27%2C28%2C29%29%3B%3B/q%3B2%2A%201/p-2 could not be loaded.