A full agonist of the serotonin 5-HT1A receptor and antagonist of 5-HT2A (Kis = 1 and 49 nM, respectively); also binds to dopamine D4 receptors (Kis = 4-24 nM); reduces 5-HT in the prefrontal cortex and dorsal raphe of conscious rats while increasing extracellular noradrenaline and dopamine