1-(6-Chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methylpiperazine maleate 4789-66-6 Piperazine, 1-(6-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methyl-, maleate (1:1)