ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C8H10N4O2/c1-10-4-9-6-5%2810%297%2813%2912%283%298%2814%2911%286%292/h4H%2C1-3H3/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C8H10N4O2/c1-10-4-9-6-5%2810%297%2813%2912%283%298%2814%2911%286%292/h4H%2C1-3H3 could not be loaded.