39920-44-0 8-Benzyloxy-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin dimethanesulfonate 2H2O Piperazine, 1-(10,11-dihydro-8-(phenylmethoxy)dibenzo(b,f)thiepin-10-yl)-4-methyl-, methanesulfonate, hydrate (1:2:2)