ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C17H21ClN6/c1-3-23(4-2)10-9-19-16-15-11-22-24(17(15)21-12-20-16)14-7-5-13(18)6-8-14/h5-8,11-12H,3-4,9-10H2,1-2H3,(H,19,20,21)/file?format=sdf&get3d=True  -- InChI=1S/C17H21ClN6/c1-3-23(4-2)10-9-19-16-15-11-22-24(17(15)21-12-20-16)14-7-5-13(18)6-8-14/h5-8,11-12H,3-4,9-10H2,1-2H3,(H,19,20,21) could not be loaded.