54920-90-0 9-Chloro-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin dimethanesulfonate 1/2H2O Piperazine, 1-(9-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-4-methyl-, methanesulfonate, hydrate (2:4:1)