ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C5H9Cl/c1-3-4-5(2)6/h3-5H,1-2H3/b4-3 /file?format=sdf&get3d=True  -- InChI=1S/C5H9Cl/c1-3-4-5(2)6/h3-5H,1-2H3/b4-3  could not be loaded.