ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C8H8.C4H6.C3H3N/c1-2-8-6-4-3-5-7-8%3B1-3-4-2%3B1-2-3-4/h2-7H%2C1H2%3B3-4H%2C1-2H2%3B2H%2C1H2/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C8H8.C4H6.C3H3N/c1-2-8-6-4-3-5-7-8%3B1-3-4-2%3B1-2-3-4/h2-7H%2C1H2%3B3-4H%2C1-2H2%3B2H%2C1H2 could not be loaded.