ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C6H7N5O/c1-11-5%2812%293-4%289-2-8-3%2910-6%2811%297/h2H%2C1H3%2C%28H2%2C7%2C10%29%28H%2C8%2C9%29/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C6H7N5O/c1-11-5%2812%293-4%289-2-8-3%2910-6%2811%297/h2H%2C1H3%2C%28H2%2C7%2C10%29%28H%2C8%2C9%29 could not be loaded.