ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%26%2361%3B1S/C5H4N4O2/c10-4-2-3%287-1-6-2%298-5%2811%299-4/h1H%2C%28H3%2C6%2C7%2C8%2C9%2C10%2C11%29/file?format=sdf&get3d=True -- InChI%3DInChI%26%2361%3B1S/C5H4N4O2/c10-4-2-3%287-1-6-2%298-5%2811%299-4/h1H%2C%28H3%2C6%2C7%2C8%2C9%2C10%2C11%29 could not be loaded.