| abstract |
The present invention relates to compounds of formula (I) or salts thereof n nwherein A, X, R 2 , R 4 and n are defined herein, processes for their preparation, intermediates used in these processes, pharmaceutical compositions containing them and their use in therapy, as modulators of dopamine D 3 receptors, e.g., to treat drug dependency, as antipsychotic agents, to treat obsessive compulsive spectrum disorders, premature ejaculation or to enhance cognition. |