ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C5H7Cl/c1-2-3-4-5-6/h2,5H2,1H3/file?format=sdf&get3d=True  -- InChI=1S/C5H7Cl/c1-2-3-4-5-6/h2,5H2,1H3 could not be loaded.