1,2-Propanediamine, N,N,N',N'-tetramethyl- 1822-45-3 4-04-00-01256 (Beilstein Handbook Reference) BRN 1734428 N(sup 1),N(sup 1),N(sup 2),N(sup 2)-Tetramethyl-1,2-propanediamine NSC 84254