The present invention relates to compounds useful in therapy, in particular in the treatment of psychosis, to compositions comprising said compounds, and to methods of treating diseases comprising the administration of said compounds.Cette invention concerne des composés de formule (I) utiles en thérapie, en particulier, pour traiter la psychose, des compositions les contenant, et des méthodes pour traiter des maladies comprenant l'administration des composés selon l'invention.