ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H/file?format=sdf&get3d=True  -- InChI=1S/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H could not be loaded.