1-(1-Naphthyl)piperazine (hydrochloride)
1-1-Naphthylpiperazine hydrochloride (1-NP hydrochloride; 1-Naphthylpiperazine hydrochloride) is a serotonergic derivative of quipazine, which is both an agonist for 5-HT1A receptor and an antagonist for 5-HT2A receptor. 1-1-Naphthylpiperazine hydrochloride induces cell apoptosis. 1-1-Naphthylpiperazine hydrochloride prevents the immunosuppression and photocarcinogenesis.