ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H13N5O.ClH/c7-5(8)10-6(9)11-1-3-12-4-2-11;/h1-4H2,(H5,7,8,9,10);1H/file?format=sdf&get3d=True  -- InChI=1S/C6H13N5O.ClH/c7-5(8)10-6(9)11-1-3-12-4-2-11;/h1-4H2,(H5,7,8,9,10);1H could not be loaded.