7-{4-[4-(2,3-dichlorophenyl)-1-piperazinyl}butyloxy]-3,4-dihydro-2(1H)-quinolinone (OPC-14597), a new putative antipsychotic drug with both presynaptic dopamine autoreceptor agonistic activity and postsynaptic D2 receptor antagonistic activity. - Kikuchi,T.; Tottori,K.; Uwahodo,Y.; Hirose,T.; Miwa,T.; Oshiro,Y.; Morita,S. (J Pharmacol Exp Ther, 1995)