1-(10,11-Dihydro-8-(methylseleno)dibenzo(b,f)thiepin-10-yl)-4-methylpiperazine maleate 39841-96-8 8-Methylseleno-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin maleate Piperazine, 1-(10,11-dihydro-8-(methylseleno)dibenzo(b,f)thiepin-10-yl)-4-methyl-, (Z)-2-butenedioate (1:1)