ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C8H6O/c1-2-4-8-6-9-5-7(8)3-1/h1-6H/file?format=sdf&get3d=True  -- InChI=1S/C8H6O/c1-2-4-8-6-9-5-7(8)3-1/h1-6H could not be loaded.