ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C11H14N4O5/c1-19-8-7%2817%295%282-16%2920-11%288%2915-4-14-6-9%2815%2912-3-13-10%286%2918/h3-5%2C7-8%2C11%2C16-17H%2C2H2%2C1H3%2C%28H%2C12%2C13%2C18%29/t5-%2C7-%2C8-%2C11-/m1/s1/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C11H14N4O5/c1-19-8-7%2817%295%282-16%2920-11%288%2915-4-14-6-9%2815%2912-3-13-10%286%2918/h3-5%2C7-8%2C11%2C16-17H%2C2H2%2C1H3%2C%28H%2C12%2C13%2C18%29/t5-%2C7-%2C8-%2C11-/m1/s1 could not be loaded.