18833-57-3 6H-CYCLOHEPTA(b)QUINOLINE, 2-CHLORO-11-(3-(DIMETHYLAMINO)-2-METHYLPROPOXY)-7,8,9 6H-Cyclohepta(b)quinoline, 2-chloro-11-(3-(dimethylamino)-2-methylpropoxy)-7,8,9,10-tetrahydro-, dihydrochloride