ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%26%2361%3B1S/C11H16N2/c1-2-4-11%285-3-1%2910-13-8-6-12-7-9-13/h1-5%2C12H%2C6-10H2/file?format=sdf&get3d=True  -- InChI%3DInChI%26%2361%3B1S/C11H16N2/c1-2-4-11%285-3-1%2910-13-8-6-12-7-9-13/h1-5%2C12H%2C6-10H2 could not be loaded.