3-Ethyl-11-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin methanesulfonate hemihydrate 84964-85-2 Piperazine, 1-(10,11-dihydro-7-ethyldibenzo(b,f)thiepin-10-yl)-4-methyl-, monomethanesulfonate, hydrate (2:2:1)