1-(4,5-Dihydrothieno(2,3-b)(1)benzothiepin-4-yl)-4-methylpiperazine (Z)-2-butenedioate (1:1) 16233-60-6 4-(4-Methylpiperazino)-4,5-dihydrobenzo(b)thieno(3,2-f)thiepine maleate Peradithiepin Peradithiepine Piperazine, 1-(4,5-dihydrothieno(2,3-b)(1)benzothiepin-4-yl)-4-methyl-, (Z)-2-butenedioate (1:1) Piperazine, 1-(4,5-dihydrothieno(2,3-b)(1)benzothiepin-4-yl)-4-methyl-, maleate (1:1)