ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C2H4O2.H3N/c1-2(3)4&#59;/h1H3,(H,3,4)&#59;1H3/file?format=sdf&get3d=True  -- InChI=1S/C2H4O2.H3N/c1-2(3)4&#59;/h1H3,(H,3,4)&#59;1H3 could not be loaded.