ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H5NO4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H/file?format=sdf&get3d=True  -- InChI=1S/C6H5NO4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H could not be loaded.