1-(8-Chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methylpiperazine S,4-dioxide 2HCl 32859-71-5 Piperazine, 1-(8-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methyl-, S,4-dioxide, dihydrochloride