1-(2,3-dihydro-1,4-benzodioxin-8-yl)piperazine 1-(1,4-Benzodioxan-5-yl)piperazine Eltoprazina [Spanish] Eltoprazine Eltoprazine [INN] Eltoprazinum [Latin] PDSP2_000559 PDSP1_000561 NCGC00159533-01