1,4-Bis(dimethylamino)butane 1,4-Butanediamine, N,N,N',N'-tetramethyl- 111-51-3 4-04-00-01284 (Beilstein Handbook Reference) AI3-23335 BRN 1735538 EINECS 203-878-5 N,N,N',N'-Tetramethyl-1,4-butanediamine N,N,N',N'-Tetramethyltetramethylenediamine Tetramethyldiaminobutane Tetramethylputrescine alpha,delta-(Tetramethyldiamino)butane n,n,n',n'-Tetramethyl-1,4'-butanediamine