Potent and selective 5-HT2A antagonist (IC50 values are 5.8 and 120 and >100 nM for 5-HT2A, 5-HT2B and 5-HT2C, respectively). Attenuates cocaine-induced hyperactivity. Increases dopamine (DA) release in rat medial prefrontal cortex (mPFC); potentiates haloperidol-induced DA release in the mPFC and nucleus accumbens.
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