1,3-Propanediamine, N'-(4,6-diphenyl-3-pyridazinyl)-N,N-dimethyl- 118540-25-3 3-Pyridazinamine, N-(3-(dimethylamino)propyl)-4,6-diphenyl- N-(3-(Dimethylamino)propyl)-4,6-diphenyl-3-pyridazinamine