1-(6,7-Dichlorodibenzo(b,f)thiepin-10-yl)-4-methylpiperazine maleate 3,4-Dichloro-11-(4-methylpiperazino)dibenzo(b,f)thiepin maleate 79962-34-8 Piperazine, 1-(6,7-dichlorodibenzo(b,f)thiepin-10-yl)-4-methyl-, (Z)-2-butenedioate (1:1)