mGluR2 antagonist 1 is a highly potent, orally bioavailable and selective class of mGluR2 negative allosteric modulator ( IC 50 of 9 nM) with excellent brain permeability In Vivo In vivo, mGluR2 antagonist 1 (Compound 25) reverses the effect of mGluR2 agonist LY379268 in amphetamine-induced hyperlocomotion and shows good efficacy in the mouse delayed non-match to position assay at 10 mg/kg. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Form:Solid IC50& Target:mGluR2 9 nM (IC 50 )