1-(10,11-Dihydro-2-fluorodibenzo(b,f)thiepin-10-yl)-4-methylpiperazine maleate 56934-26-0 Piperazine, 1-(10,11-dihydro-2-fluorodibenzo(b,f)thiepin-10-yl)-4-methyl-, (Z)-2-butenedioate (1:1)