ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C3H7N.ClH/c1-2-3-4;/h2H,1,3-4H2;1H/file?format=sdf&get3d=True  -- InChI=1S/C3H7N.ClH/c1-2-3-4;/h2H,1,3-4H2;1H could not be loaded.