This is a drug developed by Hoffmann-La Roche which acts to be a potent and selective destructive allosteric modulator for group II of the metabotropic glutamate receptors (mGluR2/3), becoming equipotent at mGluR2 and mGluR3 but with out activity at other mGluR subtypes.Ephedrine could be the active component in Ephedra sinica. One particular isome