ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C3Cl6/c4-1(2(5)6)3(7,8)9/file?format=sdf&get3d=True  -- InChI=1S/C3Cl6/c4-1(2(5)6)3(7,8)9 could not be loaded.