ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C4H8N6.H2O4S/c5-1-2(6)9-4(8)10-3(1)7;1-5(2,3)4/h5H2,(H6,6,7,8,9,10);(H2,1,2,3,4)/file?format=sdf&get3d=True  -- InChI=1S/C4H8N6.H2O4S/c5-1-2(6)9-4(8)10-3(1)7;1-5(2,3)4/h5H2,(H6,6,7,8,9,10);(H2,1,2,3,4) could not be loaded.