10-(1-Methyl-4-piperidyl)-10,11-dihydrodibenzo(b,f)thiepin hydrogen maleate 16926-56-0 4-(10,11-Dihydrodibenzo(b,f)thiepin-10-yl)-1-methylpiperidine maleate Piperidine, 4-(10,11-dihydrodibenzo(b,f)thiepin-10-yl)-1-methyl-, maleate (1:1)