2-Methyl-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin maleate hemihydrate 73129-61-0 Piperazine, 1-(10,11-dihydro-2-methyldibenzo(b,f)thiepin-10-yl)-4-methyl-, (Z)-2-butenedioate,hydrate (2:2:1) VUFB13.752