ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C14H20N2O2.ClH/c15-13-7-2-1-6-12(13)14(17)18-10-8-11-5-3-4-9-16-11;/h1-2,6-7,11,16H,3-5,8-10,15H2;1H/file?format=sdf&get3d=True  -- InChI=1S/C14H20N2O2.ClH/c15-13-7-2-1-6-12(13)14(17)18-10-8-11-5-3-4-9-16-11;/h1-2,6-7,11,16H,3-5,8-10,15H2;1H could not be loaded.