ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H24N4O2/c1-22-9-12(10-24-18(25)11-23(2)20(24)26)6-15-14-4-3-5-16-19(14)13(8-21-16)7-17(15)22/h3-5,8,12,15,17,21H,6-7,9-11H2,1-2H3/t12-,15?,17-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C20H24N4O2/c1-22-9-12(10-24-18(25)11-23(2)20(24)26)6-15-14-4-3-5-16-19(14)13(8-21-16)7-17(15)22/h3-5,8,12,15,17,21H,6-7,9-11H2,1-2H3/t12-,15?,17-/m1/s1 could not be loaded.