ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C4H12O4P.CH4N2O.H2O4S/c5-1-9(2-6,3-7)4-8;2-1(3)4;1-5(2,3)4/h5-8H,1-4H2;(H4,2,3,4);(H2,1,2,3,4)/q 1;;/p-1/file?format=sdf&get3d=True  -- InChI=1S/C4H12O4P.CH4N2O.H2O4S/c5-1-9(2-6,3-7)4-8;2-1(3)4;1-5(2,3)4/h5-8H,1-4H2;(H4,2,3,4);(H2,1,2,3,4)/q 1;;/p-1 could not be loaded.