15676-58-1 3-((10,11-Dihydro-5H-dibenzo(a,d)cyclohepten-5-yl)oxy)-1-methylpiperidine maleate Piperidine, 3-((10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-yl)oxy)-1-methyl-, maleate (1:1)