1-(4,9-Dihydrothieno(2,3-c)(2)benzothiepin-4-yl)-4-methylpiperazine maleate 15053-18-6 4-(4-Methylpiperazino)-4,9-dihydrothieno(2,3-b)benzo(e)thiepin hydrogen maleate Piperazine, 1-(4,9-dihydrothieno(2,3-c)(2)benzothiepin-4-yl)-4-methyl-, maleate (1:1)