1,2-PROPANEDIAMINE, 2-METHYL- 2-Methyl-1,2-propanediamine 2-Methylpropylenediamine 4-04-00-01306 (Beilstein Handbook Reference) 811-93-8 BRN 0773658 EINECS 212-374-4 Methyl-2 propanediamine-1,2 NSC 17717