ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H11Cl2NO4/c1-12(6-18-2)10(16)15(11(17)19-12)9-4-7(13)3-8(14)5-9/h3-5H,6H2,1-2H3/file?format=sdf&get3d=True  -- InChI=1S/C12H11Cl2NO4/c1-12(6-18-2)10(16)15(11(17)19-12)9-4-7(13)3-8(14)5-9/h3-5H,6H2,1-2H3 could not be loaded.