ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/Na.H3O2P/c;1-3-2/h;3H2,(H,1,2)/q 1;/p-1/file?format=sdf&get3d=True  -- InChI=1S/Na.H3O2P/c;1-3-2/h;3H2,(H,1,2)/q 1;/p-1 could not be loaded.