2-((6,11-Dihydrodibenzo(b,e)thiepin-11-yl)oxy)-N,N-dimethylethylamine fumarate 747-44-4 Amethobenzepine fumarate Ethylamine, 2-((6,11-dihydrodibenzo(b,e)thiepin-11-yl)oxy)-N,N-dimethyl-, fumarate (1:1)