1-(6,11-Dihydrodibenzo(b,e)thiepin-11-yl)-4-methylpiperazine S,S-dioxide maleate 11-(4-Methylpiperazino)-6,11-dihydrodibenzo(b,e)thiepin 5,5-dioxide maleate 23737-32-8 Piperazine, 1-(6,11-dihydrodibenzo(b,e)thiepin-11-yl)-4-methyl-, S,S-dioxide, maleate (1:1)