73248-78-9 8-Fluoro-4-(4-methylpiperazino)-4,5-dihydrothieno(2,3-b)-1-benzothiepin maleate Piperazine, 1-(4,5-dihydro-8-fluorothieno(2,3-b)(1)benzothiepin-4-yl)-4-methyl-, (Z)-2-butenedioate (1:1) VUFB-12351