ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C20H24N2O/c1-3-12-10-22-18-9-15-13-6-4-5-7-17%2813%2921%282%2920%2815%2919%2822%298-14%2812%2916%2818%2911-23/h3-7%2C14%2C16%2C18-19%2C23H%2C8-11H2%2C1-2H3/b12-3-/t14-%2C16%20%2C18-%2C19-/m0/s1/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C20H24N2O/c1-3-12-10-22-18-9-15-13-6-4-5-7-17%2813%2921%282%2920%2815%2919%2822%298-14%2812%2916%2818%2911-23/h3-7%2C14%2C16%2C18-19%2C23H%2C8-11H2%2C1-2H3/b12-3-/t14-%2C16%20%2C18-%2C19-/m0/s1 could not be loaded.