ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C4H7NO3.C2H3Cl3O2/c1-3(6)5-2-4(7)8;3-2(4,5)1(6)7/h2H2,1H3,(H,5,6)(H,7,8);1,6-7H/file?format=sdf&get3d=True  -- InChI=1S/C4H7NO3.C2H3Cl3O2/c1-3(6)5-2-4(7)8;3-2(4,5)1(6)7/h2H2,1H3,(H,5,6)(H,7,8);1,6-7H could not be loaded.