ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H5NO2/c8-6(9)5-1-3-7-4-2-5/h1-4H,(H,8,9)/file?format=sdf&get3d=True  -- InChI=1S/C6H5NO2/c8-6(9)5-1-3-7-4-2-5/h1-4H,(H,8,9) could not be loaded.