1-(8-Chloro-7-fluorodibenzo(b,f)thiepin-10-yl)-4-methylpiperazine maleate 60811-07-6 Piperazine, 1-(8-chloro-7-fluorodibenzo(b,f)thiepin-10-yl)-4-methyl-, (Z)-2-butenedioate (1:1)