1-(2,3-Dihydro-1H-benz(b)indeno(5,6-f)thiepin-11-yl)-4-methylpiperazine maleate 11-(4-Methylpiperazino)-8,9-dihydro-7H-benz(b)indeno(5,6-f)thiepin maleate 56096-85-6 Piperazine, 1-(2,3-dihydro-1H-benz(b)indeno(5,6-f)thiepin-11-yl)-4-methyl-, (Z)-2-butenedioate (1:1)