ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C5H7Cl/c1-2-3-4-5-6/h1H%2C3-5H2/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C5H7Cl/c1-2-3-4-5-6/h1H%2C3-5H2 could not be loaded.