ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C4H10N2.H3O4P/c1-2-6-4-3-5-1;1-5(2,3)4/h5-6H,1-4H2;(H3,1,2,3,4)/file?format=sdf&get3d=True  -- InChI=1S/C4H10N2.H3O4P/c1-2-6-4-3-5-1;1-5(2,3)4/h5-6H,1-4H2;(H3,1,2,3,4) could not be loaded.