ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C17H18N2O2.ClH/c18-9-10-19-17(20)21-11-16-14-7-3-1-5-12(14)13-6-2-4-8-15(13)16;/h1-8,16H,9-11,18H2,(H,19,20);1H/file?format=sdf&get3d=True  -- InChI=1S/C17H18N2O2.ClH/c18-9-10-19-17(20)21-11-16-14-7-3-1-5-12(14)13-6-2-4-8-15(13)16;/h1-8,16H,9-11,18H2,(H,19,20);1H could not be loaded.