1-(3-Chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methylpiperazine maleate 5118-52-5 Piperazine, 1-(3-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methyl-, maleate (1:1)