1-alpha-H,5-alpha-H-Nortropane, 3-alpha-((10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-yl)oxy)-8-ethyl-, citrate (1:1) 15620-18-5 3-alpha-((10,11-Dihydro-5H-dibenzo(a,d)cyclohepten-5-yl)oxy)-8-ethylnortropane citrate