1,2-Ethanediamine, N-(10,11-dihydro-8-(methylthio)dibenzo(b,f)thiepin-10-yl)-, (Z)-2-butenedioate (1:2) 10-(2-Aminoethylamino)-8-methylthio-10,11-dihydrodibenzo(b,f)thiepin bis(hydrogen maleate) 74611-42-0 N-(10,11-Dihydro-8-(methylthio)dibenzo(b,f)thiepin-10-yl)-1,2-ethanediamine bis(maleate) VUFB-12316