ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%26%2361%3B1S/C12H14N4/c13-9-3-1-7%285-11%289%2915%298-2-4-10%2814%2912%2816%296-8/h1-6H%2C13-16H2/file?format=sdf&get3d=True  -- InChI%3DInChI%26%2361%3B1S/C12H14N4/c13-9-3-1-7%285-11%289%2915%298-2-4-10%2814%2912%2816%296-8/h1-6H%2C13-16H2 could not be loaded.