ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C9H6N2O2/c1-7-2-3-8%2810-5-12%294-9%287%2911-6-13/h2-4H%2C1H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C9H6N2O2/c1-7-2-3-8%2810-5-12%294-9%287%2911-6-13/h2-4H%2C1H3 could not be loaded.