ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C10H12N4O6/c15-1-4-6(16)7(17)10(20-4)13-2-11-5-8(13)12-3-14(19)9(5)18/h2-4,6-7,10,15-18H,1H2/file?format=sdf&get3d=True  -- InChI=1S/C10H12N4O6/c15-1-4-6(16)7(17)10(20-4)13-2-11-5-8(13)12-3-14(19)9(5)18/h2-4,6-7,10,15-18H,1H2 could not be loaded.