1,3-Propanediamine, N-[3-(dimethylamino)propyl]-N,N',N'-trimethyl- 3855-32-1 Dipropylamine, 3,3'-bis(dimethylamino)-N-methyl- N,N,N'-Trimethyl-N'-[3-(dimethylamino)propyl]-1,3-propanediamine NSC123346