ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C10H8.Na/c1-2-6-10-8-4-3-7-9%2810%295-1/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C10H8.Na/c1-2-6-10-8-4-3-7-9%2810%295-1 could not be loaded.