1-((7,8,9,10-Tetrahydro-2-methyl-6H-cyclohepta(b)quinolin-11-yl)carbonyl)piperidine 36068-70-9 Piperidine, 1-((7,8,9,10-tetrahydro-2-methyl-6H-cyclohepta(b)quinolin-11-yl)carbonyl)-