ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C17H20N4S/c1-12-11-13-16%2821-9-7-20%282%298-10-21%2918-14-5-3-4-6-15%2814%2919-17%2813%2922-12/h3-6%2C11%2C19H%2C7-10H2%2C1-2H3/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C17H20N4S/c1-12-11-13-16%2821-9-7-20%282%298-10-21%2918-14-5-3-4-6-15%2814%2919-17%2813%2922-12/h3-6%2C11%2C19H%2C7-10H2%2C1-2H3 could not be loaded.