1-((7,8,9,10-Tetrahydro-6H-cyclohepta(b)quinolin-11-yl)carbonyl)piperidine 36063-62-4 BRN 0424250 Piperidine, 1-((7,8,9,10-tetrahydro-6H-cyclohepta(b)quinolin-11-yl)carbonyl)-