ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C6H3Cl3/c7-4-1-2-5(8)6(9)3-4/h1-3H/file?format=sdf&get3d=True  -- InChI=1/C6H3Cl3/c7-4-1-2-5(8)6(9)3-4/h1-3H could not be loaded.