ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C5H7N5O/c6-5(11)3-1-2-4(8-7)10-9-3/h1-2H,7H2,(H2,6,11)(H,8,10)/file?format=sdf&get3d=True  -- InChI=1S/C5H7N5O/c6-5(11)3-1-2-4(8-7)10-9-3/h1-2H,7H2,(H2,6,11)(H,8,10) could not be loaded.