10-(4-Methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin hydrogen maleate 4774-32-7 Dibenzo(b,f)thiepin, 1-10,11-dihydro-10-(4-methylpiperazino)-, hydrogen maleate Perathiepin maleate Piperazine, 1-(10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methyl-, maleate (1:1)