ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C9H4O/c1-2-3-4-5-6-7-8-9-10/h1,7-9H/b8-7 /file?format=sdf&get3d=True  -- InChI=1S/C9H4O/c1-2-3-4-5-6-7-8-9-10/h1,7-9H/b8-7  could not be loaded.