2,4-Dichloro-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin maleate 93080-31-0 Piperazine, 1-(2,4-dichloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methyl-, (Z)-2-butenedioate