1,2-Ethanediamine, N,N-dipropyl-N'-(4-methyl-6-phenyl-3-pyridazinyl)- ethanedioate (1:2) 118269-77-5 N,N-Dipropyl-N'-(4-methyl-6-phenyl-3-pyridazinyl)-1,2-ethanediamine ethanedioate (1:2)