1-(7-Chloro-8-fluorodibenzo(b,f)thiepin-10-yl)-4-methylpiperazine maleate 60811-09-8 Piperazine, 1-(7-chloro-8-fluorodibenzo(b,f)thiepin-10-yl)-4-methyl-, (Z)-2-butenedioate (1:1)