TIFF2025538048000094.tif34115 The present invention relates to novel compounds of formula (I), wherein P, Q, A, B, m, n, R 1 , R 2 and R 3 are defined as in Formula (I); which are negative allosteric modulators of
metabotropic glutamate receptor subtype 7 (mGlu7) and are useful for treating or preventing neurological, otic, and psychiatric disorders associated with glutamate dysfunction, and disorders involving the mGlu7 subtype of
metabotropic receptor. The present invention is also directed to pharmaceutical compositions comprising such compounds, processes for preparing such compounds and such compositions, and the use of such compounds for the prevention or treatment of neurological, otic, and psychiatric disorders involving mGlu7.