1-Methyl-4-(8-(methylseleno)dibenzo(b,f)thiepin-10-yl)piperazine maleate 40400-11-1 8-Methylseleno-10-(4-methylpiperazino)dibenzo(b,f)thiepin maleate Piperazine, 1-methyl-4-(8-(methylseleno)dibenzo(b,f)thiepin-10-yl)-, (Z)-2-butenedioate (1:1)