ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H20ClFN4O4S/c21-15-4-2-1-3-14(15)17(27)20(31-9-16(23)18(28)29,12-5-7-13(22)8-6-12)19(30)26-11-24-10-25-26/h1-8,10-11,16-17,19,27,30H,9,23H2,(H,28,29)/t16-,17+,19?,20+/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C20H20ClFN4O4S/c21-15-4-2-1-3-14(15)17(27)20(31-9-16(23)18(28)29,12-5-7-13(22)8-6-12)19(30)26-11-24-10-25-26/h1-8,10-11,16-17,19,27,30H,9,23H2,(H,28,29)/t16-,17+,19?,20+/m0/s1 could not be loaded.