摘要 |
The invention provides for a compound of formula (I) or a pharmaceutically acceptable salt thereof: wherein R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, A, B, D, m, n, x, and y are defined as described in the specification. The invention additionally provides a pharmaceutically composition comprising the compound of formula I, together with a method of using the same to treat or prevent neurological and psychiatric disorders. The compounds are useful in therapy related to the treatment or prevention of mGluR2 receptor-mediated disorders.
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