ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C8H6BrN/c9-8%286-10%297-4-2-1-3-5-7/h1-5%2C8H/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C8H6BrN/c9-8%286-10%297-4-2-1-3-5-7/h1-5%2C8H could not be loaded.