ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C7H8N4O/c1-3-8-5-6(9-3)10-4(2)11-7(5)12/h1-2H3,(H2,8,9,10,11,12)/file?format=sdf&get3d=True  -- InChI=1S/C7H8N4O/c1-3-8-5-6(9-3)10-4(2)11-7(5)12/h1-2H3,(H2,8,9,10,11,12) could not be loaded.