ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C24H16/c1-2-10-18-17%289-1%2919-11-3-4-13-21%2819%2923-15-7-8-16-24%2823%2922-14-6-5-12-20%2818%2922/h1-16H/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C24H16/c1-2-10-18-17%289-1%2919-11-3-4-13-21%2819%2923-15-7-8-16-24%2823%2922-14-6-5-12-20%2818%2922/h1-16H could not be loaded.