1,2-Ethanediamine, N'-(4,6-diphenyl-3-pyridazinyl)-N,N-dimethyl- 118516-20-4 3-Pyridazinamine, N-(2-(dimethylamino)ethyl)-4,6-diphenyl- N-(2-(Dimethylamino)ethyl)-4,6-diphenyl-3-pyridazinamine