the effects of several quinoxalines , including 6-cyano-7-nitroquinoxaline-2,3-dione ( cnqx ) and 6,7 , dinitroquinoxaline-2,3-dione ( dnqx ) , and of two kynurenates , kynurenate ( kyna ) and 7-clkynurenate ( 7-cl-kyna ) , have been evaluated on the n-methyl-d-aspartate ( nmda ) receptors present in the guinea-pig ileum myenteric plexus preparation and on the strychnine-insensitive [ 3h ] -glycine binding sites of cortical membranes .
C0034437
quinoxalines
C0099122
cnqx