1-(1,4-Benzodioxan-6-ylcarbonyl)-4-(1,4-benzodioxan-6-ylmethyl)piperazine hydrochloride 3398-26-3 Piperazine, 1-(1,4-benzodioxan-6-ylcarbonyl)-4-(1,4-benzodioxan-6-ylmethyl)-, hydrochloride