ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/Al.K.8O.3Si/q%2B3%3B%2B1%3B8%2A-2%3B3%2A%2B4/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/Al.K.8O.3Si/q%2B3%3B%2B1%3B8%2A-2%3B3%2A%2B4 could not be loaded.