1,4-Bis(dimethylamino)-2-butyne 111-53-5 2-Butyne-1,4-diamine, N,N,N',N'-tetramethyl- 4-04-00-01392 (Beilstein Handbook Reference) AI3-24574 BRN 1746277 EINECS 203-880-6 N,N,N',N'-Tetramethyl-2-butyne-1,4-diamine N,N,N',N'-Tetramethylbut-2-ynylenediamine NSC 5787