6-Cyano-7-nitroquinoxaline-2,3-dione

**Definition:** A potent excitatory amino acid antagonist with a preference for non-NMDA iontropic receptors. It is used primarily as a research tool.

**Tree numbers:** - D03.633.100.857.160

**Synonyms:** - 6-Cyano-2,3-dihydroxy-7-nitroquinoxaline - CNQX - 1,4-dihydro-2,3-dihydroxy-7-nitro-6-quinoxalinecarbonitrile