ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C10H16N4O7/c11-7-6(8(19)14-10(12)13-7)21-9-5(18)4(17)3(16)2(1-15)20-9/h2-5,9,15-18H,1H2,(H5,11,12,13,14,19)/t2-,3-,4+,5-,9+/m1/s1/file?format=sdf&get3d=True -- InChI=1S/C10H16N4O7/c11-7-6(8(19)14-10(12)13-7)21-9-5(18)4(17)3(16)2(1-15)20-9/h2-5,9,15-18H,1H2,(H5,11,12,13,14,19)/t2-,3-,4+,5-,9+/m1/s1 could not be loaded.