ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H11N2.C4H11O4P/c1-3-8-5-4-7(2)6-8;1-3-7-9(5,6)8-4-2/h4-6H,3H2,1-2H3;3-4H2,1-2H3,(H,5,6)/q+1;/p-1/file?format=sdf&get3d=True  -- InChI=1S/C6H11N2.C4H11O4P/c1-3-8-5-4-7(2)6-8;1-3-7-9(5,6)8-4-2/h4-6H,3H2,1-2H3;3-4H2,1-2H3,(H,5,6)/q+1;/p-1 could not be loaded.