(R)-3,4-DCPG
(R)-3,4-DCPG is an AMPA and NMDA antagonist with a Kd of 77 μM for AMPA. (R)-3,4-DCPG complete antagonizes the NMDA-induced depolarization at a concentration of 500 μM. (R)-3,4-DCPG exhibits a weak antagonistic effect on kainate-induced depolarizations.