ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C10H10N4O4/c1-7(6-9(15)18-2)12-13-10-8(14(16)17)4-3-5-11-10/h3-6H,1-2H3/b7-6?,13-12+/file?format=sdf&get3d=True  -- InChI=1S/C10H10N4O4/c1-7(6-9(15)18-2)12-13-10-8(14(16)17)4-3-5-11-10/h3-6H,1-2H3/b7-6?,13-12+ could not be loaded.