ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C24H16N2O2/c1-3-7-17%288-4-1%2921-15-25-23%2827-21%2919-11-13-20%2814-12-19%2924-26-16-22%2828-24%2918-9-5-2-6-10-18/h1-16H/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C24H16N2O2/c1-3-7-17%288-4-1%2921-15-25-23%2827-21%2919-11-13-20%2814-12-19%2924-26-16-22%2828-24%2918-9-5-2-6-10-18/h1-16H could not be loaded.