ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C3H5Br2Cl/c4-1-3(5)2-6/h3H,1-2H2/file?format=sdf&get3d=True  -- InChI=1/C3H5Br2Cl/c4-1-3(5)2-6/h3H,1-2H2 could not be loaded.