ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H12Ge/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H,13H2/file?format=sdf&get3d=True  -- InChI=1S/C12H12Ge/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H,13H2 could not be loaded.