100500-09-2 2,2'-(4,7-Phenanthroline-3,8-diylbis(oxy))bis(N,N-diethylethanamine) dihydrochloride Ethanamine, 2,2'-(4,7-phenanthroline-3,8-diylbis(oxy))bis(N,N-diethyl-, dihydrochloride Vivakorfen