ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C3H7NO2/c1-2%284%293%285%296/h2H%2C4H2%2C1H3%2C%28H%2C5%2C6%29/t2-/m0/s1/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C3H7NO2/c1-2%284%293%285%296/h2H%2C4H2%2C1H3%2C%28H%2C5%2C6%29/t2-/m0/s1 could not be loaded.