The chemical NBQX has a designated molecular formula of C12H8N4O6S and a molecular weight of 336.278 g/mol. Synonyms may include: 2,3-Dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline, 2,3-Dihydroxy-6-nitro-7-sulfamoyl-benzo(f)quinoxaline, FG 9202, 6-Nitro-7-sulfamoylbenzo(f)quinoxaline-2,3-dione, 1,2,3,4-Tetrahydro-6-nitro-2,3-dioxobenzo(f)quinoxaline-8-sulfonamide (ChemID). NBQX has been assigned a MeSH pharmacological action of: Excitatory Amino Acid Antagonist.