ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C17H16N4S/c1-3-13-9-14-16%2812-7-5-4-6-8-12%2918-10-15-20-19-11%282%2921%2815%2917%2814%2922-13/h4-9H%2C3%2C10H2%2C1-2H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C17H16N4S/c1-3-13-9-14-16%2812-7-5-4-6-8-12%2918-10-15-20-19-11%282%2921%2815%2917%2814%2922-13/h4-9H%2C3%2C10H2%2C1-2H3 could not be loaded.