18833-71-1 6H-CYCLOHEPTA(b)QUINOLINE, 3-CHLORO-11-((2-(DIETHYLAMINO)ETHYL)THIO)-7,8,9,10-TE 6H-Cyclohepta(b)quinoline, 3-chloro-11-((2-(diethylamino)ethyl)thio)-7,8,9,10-tetrahydro-, dihydrochloride