ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C9H20N8O/c1-6(10)12-5-3-2-4-7(11)8(18)13-9-14-16-17-15-9/h6-7,12H,2-5,10-11H2,1H3,(H2,13,14,15,16,17,18)/t6?,7-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C9H20N8O/c1-6(10)12-5-3-2-4-7(11)8(18)13-9-14-16-17-15-9/h6-7,12H,2-5,10-11H2,1H3,(H2,13,14,15,16,17,18)/t6?,7-/m0/s1 could not be loaded.