1,2-Ethanediamine, N-(2-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-, S-oxide, (Z)-2-butenedioate (1:2) 10-(2-Aminoethylamino)-2-chloro-10,11-dihydrodibenzo(b,f)thiepin S-oxide bis(maleate) 78070-23-2 VUFB-12504