ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C5H11NO2.ClH/c1-3-5(2,6)4(7)8/file?format=sdf&get3d=True  -- InChI=1S/C5H11NO2.ClH/c1-3-5(2,6)4(7)8 could not be loaded.