ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C22H18N2/c1-3-7-18%288-4-1%2919-11-13-21%2814-12-19%2922%2824-16-15-23-17-24%2920-9-5-2-6-10-20/h1-17%2C22H/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C22H18N2/c1-3-7-18%288-4-1%2919-11-13-21%2814-12-19%2922%2824-16-15-23-17-24%2920-9-5-2-6-10-20/h1-17%2C22H could not be loaded.