1,2-Ethanediamine, N,N-diethyl-N'-(7,8,9,10-tetrahydro-6H-cyclohepta(b)quinolin-11-yl)-, dihydrochloride 108154-76-3 N'-(7,8,9,10-Tetrahydro-6H-cyclohepta(b)quinolin-11-yl)-N,N-diethyl-1,2-ethanediamine 2HCl