A novel selective metabotropic glutamate receptor 4 agonist reveals new possibilities for developing subtype selective ligands with therapeutic potential. by Goudet, C, Vilar, B, Courtiol, T, Deltheil, T, Bessiron, T, Brabet, I, Oueslati, N, Rigault, D, Bertrand, H, McLean, H, Daniel, H, Amalric, M, Acher, F, Pin, J