1-(10,11-Dihydro-8-ethoxydibenzo(b,f)thiepin-10-yl)-4-methylpiperazine dimethanesulfonate 39841-87-7 8-Ethoxy-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin dimethanesulfonate Piperazine, 1-(10,11-dihydro-8-ethoxydibenzo(b,f)thiepin-10-yl)-4-methyl-, dimethanesulfonate