DCG-IV is an effective agonist of class II mGluR. DCG-IV has anticonvulsant and neuroprotective effects. The EC50 of mGlu2R and mGlu3R are 0.35 and 0.09 μM, respectively. DCG-IV is also a competitive antagonist of Group I (IC50: mGlu1 / 5R = 389/630 μM) a
mGlu4 receptor agonist 1 (compound 62) is a highly effective positive allosteric modulator of mGlu4 receptors, displaying an EC 50 of 308 nM. Additionally, it exhibits noteworthy anxiolytic and antipsychotic properties [1].