ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C18H9N3O/c22-18-12-5-3-8-19-15%2812%2916-14-11%287-9-20-16%2910-4-1-2-6-13%2810%2921-17%2814%2918/h1-9H/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C18H9N3O/c22-18-12-5-3-8-19-15%2812%2916-14-11%287-9-20-16%2910-4-1-2-6-13%2810%2921-17%2814%2918/h1-9H could not be loaded.