(3-Aminopropyl)methylamine 1,3-Propanediamine, N-methyl- 1-Amino-3-(methylamino)propane 3-(Methylamino)propylamine 3-Amino-1-(methylamino)propane 6291-84-5 N-Methyl-1,3-diaminopropane N-Methyl-1,3-propanediamine N-Methyl-1,3-propylenediamine N-Methyltrimethylenediamine NSC8160