1,2-Ethanediamine, N,N-dimethyl-N'-(4-methyl-6-phenyl-3-pyridazinyl)-, dihydrochloride 118269-74-2 CM 30071 N,N-Dimethyl-N'-(4-methyl-6-phenyl-3-pyridazinyl)-1,2-ethanediamine dihydrochloride