ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/2GeH4.Sm/h2%2A1H4%3B/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/2GeH4.Sm/h2%2A1H4%3B could not be loaded.