20906-52-9 8-Nitro-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin maleate DIBENZO(b,f)THIEPIN, 10,11-DIHYDRO-10-(4-METHYLPIPERAZINO)-8-NITRO-, MALEATE Nitrothepin maleate Nitrothiepine maleate Piperazine, 1-(10,11-dihydro-8-nitrodibenzo(b,f)thiepin-10-yl)-4-methyl-, hydrogen maleate