1-(10,11-Dihydrodibenzo(b,f)thiepin-10-yl)piperazine maleate 10-Piperazino-10,11-dihydrodibenzo(b,f)thiepin maleate 4774-30-5 Piperazine, 1-(10,11-dihydrodibenzo(b,f)thiepin-10-yl)-, maleate (1:1)