DNQX (6,7-dinitroquinoxaline-2,3-dione) is a competitive antagonist at AMPA and kainate receptors, two ionotropic glutamate receptor (iGluR) subfamilies. It is used in a variety of molecular biology subfields, notably neurophysiology, to assist researchers in determining the properties of various types of ion channels and their potential applications in medicine. See also Quinoxalinedione CNQX References External links DNQX MSDS AMPA receptor antagonists Kainate receptor antagonists NMDA receptor antagonists Nitro compounds Quinoxalines Quinones Lactams