ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H17N5.ClH/c1-8-6-4-5-7-9(8)17-11(14)15-10(13)16-12(17,2)3;/h4-7H,1-3H3,(H4,13,14,15,16);1H/file?format=sdf&get3d=True  -- InChI=1S/C12H17N5.ClH/c1-8-6-4-5-7-9(8)17-11(14)15-10(13)16-12(17,2)3;/h4-7H,1-3H3,(H4,13,14,15,16);1H could not be loaded.