1-(10,11-Dihydrodibenzo(b,f)thiepin-10-yl)-4-methylpiperazine S-oxide maleate 10-(4-Methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin-5-oxide maleate 16926-57-1 Piperazine, 1-(10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methyl-, S-oxide, maleate (1:1)