1,4-Butanediamine, N-(4-methyl-6-phenyl-3-pyridazinyl)-, dihydrochloride, hydrate 3-((4-Aminobutyl)amino)-4-methyl-6-phenylpyridazine dihydrochloride hydrate 86663-01-6 CM 30487 N-(4-Methyl-6-phenyl-3-pyridazinyl)-1,4-butanediamine dihydrochloride hydrate