3-Fluoro-10-(4-methylpiperazino)-8-(methylthio)-10,11-dihydrodibenzo(b,f)thiepin maleate 58913-14-7 Piperazine, 1-(10,11-dihydro-3-fluoro-8-(methylthio)dibenzo(b,f)thiepin-10-yl)-4-methyl-, (Z)-2-butenedioate (1:1)