1-(2-((6,11-Dihydrodibenzo(b,e)thiepin-11-yl)oxy)ethyl)piperidine fumarate 1253-02-7 16679-30-4 Piperidine, 1-(2-((6,11-dihydrodibenzo(b,e)thiepin-11-yl)oxy)ethyl)-, fumarate (1:1)