15137-27-6 2-((4,9-Dihydrothieno(2,3-c)(2)benzothiepin-4-yl)oxy)-N,N-dimethylethylamine fumarate 4-(2-Dimethylaminoethoxy)-4,9-dihydrothieno(2,3-b)benzo(e)thiepin hydrogen fumarate Ethylamine, 2-((4,9-dihydrothieno(2,3-c)(2)benzothiepin-4-yl)oxy)-N,N-dimethyl-, fumarate (1:1)