ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C14H20N6O2/c1-9(2)3-5-16-12-11-13(18-7-17-11)20(8-19-12)6-4-10(15)14(21)22/h3,7-8,10,16H,4-6,15H2,1-2H3,(H,21,22)/t10-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C14H20N6O2/c1-9(2)3-5-16-12-11-13(18-7-17-11)20(8-19-12)6-4-10(15)14(21)22/h3,7-8,10,16H,4-6,15H2,1-2H3,(H,21,22)/t10-/m0/s1 could not be loaded.