1,4-Bis (diethylamino)-2-butyne 1,4-Bis(diethylamino)-2-butyne 105-18-0 2-BUTYNYLENEDIAMINE, N,N,N'N'-TETRAETHYL- 2-Butyne-1,4-diamine, N,N,N',N'-tetraethyl- 4-04-00-01393 (Beilstein Handbook Reference) AI3-23337 BRN 1765954 EINECS 203-277-8 N,N,N',N'-Tetraethyl-2-butynylenediamine N,N,N',N'-Tetraethylbut-2-ynylenediamine NSC 166328