ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C24H18N6O/c31-23-14-13-22(16-18(23)17-26-24-8-4-5-15-25-24)30-29-21-11-9-20(10-12-21)28-27-19-6-2-1-3-7-19/h1-17,29H/b26-17?,28-27+,30-22?/file?format=sdf&get3d=True  -- InChI=1S/C24H18N6O/c31-23-14-13-22(16-18(23)17-26-24-8-4-5-15-25-24)30-29-21-11-9-20(10-12-21)28-27-19-6-2-1-3-7-19/h1-17,29H/b26-17?,28-27+,30-22? could not be loaded.