ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12%2826%2820%2C21%2922%299-14%2827%2823%2C24%2925%2915%2810%2916%2813%2918-17-11-4-2-1-3-5-11%3B%3B/h1-9%2C19H%2C%28H%2C20%2C21%2C22%29%28H%2C23%2C24%2C25%29%3B%3B/q%3B2%2A%201/p-2/b18-17%20%3B%3B/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12%2826%2820%2C21%2922%299-14%2827%2823%2C24%2925%2915%2810%2916%2813%2918-17-11-4-2-1-3-5-11%3B%3B/h1-9%2C19H%2C%28H%2C20%2C21%2C22%29%28H%2C23%2C24%2C25%29%3B%3B/q%3B2%2A%201/p-2/b18-17%20%3B%3B could not be loaded.