ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C9H8N2/c10-8-5-6-11-9-4-2-1-3-7%288%299/h1-6H%2C%28H2%2C10%2C11%29/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C9H8N2/c10-8-5-6-11-9-4-2-1-3-7%288%299/h1-6H%2C%28H2%2C10%2C11%29 could not be loaded.