ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C15H15N3S.ClH/c1-9-6-13-15(8-11(9)16)19-14-7-10(18(2)3)4-5-12(14)17-13;/h4-8,16H,1-3H3;1H/file?format=sdf&get3d=True  -- InChI=1S/C15H15N3S.ClH/c1-9-6-13-15(8-11(9)16)19-14-7-10(18(2)3)4-5-12(14)17-13;/h4-8,16H,1-3H3;1H could not be loaded.