1-(10,11-Dihydro-11-(4-methyl-1-piperazinyl)dibenzo(b,f)thiepin-2-yl)-1-propanone maleate 1-Propanone, 1-(10,11-dihydro-11-(4-methyl-1-piperazinyl)dibenzo(b,f)thiepin-2-yl)-, (Z)-2-butenedioate (1:1) 55301-78-5 8-Propionyl-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin maleate