ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C13H13N7O2/c14-10-9-11(20-13(15)19-10)18-8(17-9)5-16-7-3-1-6(2-4-7)12(21)22/h1-4,16H,5H2,(H,21,22)(H5,14,15,17,18,19,20)/file?format=sdf&get3d=True  -- InChI=1S/C13H13N7O2/c14-10-9-11(20-13(15)19-10)18-8(17-9)5-16-7-3-1-6(2-4-7)12(21)22/h1-4,16H,5H2,(H,21,22)(H5,14,15,17,18,19,20) could not be loaded.