18833-76-6 6H-CYCLOHEPTA(b)QUINOLINE, 2-CHLORO-11-((3-(DIMETHYLAMINO)PROPYL)AMINO)-7,8,9,10 6H-Cyclohepta(b)quinoline, 2-chloro-11-((3-(dimethylamino)propyl)amino)-7,8,9,10-tetrahydro-, dihydrochloride