Batoprazine is a drug of the phenylpiperazine class which has been described as a serenic or antiaggressive agent. It acts as a 5-HT<sub>1A</sub> and 5-HT<sub>1B</sub> receptor agonist. It is closely related to eltoprazine, fluprazine, and naphthylpiperazine, of which possess similar actions and effects.