ERROR opening https://cactus.nci.nih.gov/chemical/structure/B.B.B.B.B.B.B.B.%5BAlH3%5D.B.B.B.B/file?format=sdf&get3d=True  -- B.B.B.B.B.B.B.B.%5BAlH3%5D.B.B.B.B could not be loaded.