2,2`-Diaminodiethylamine ; Diethylenetriamine ; N-(2-Aminoethyl)-1,2-ethanediamine; 1,5-Diamino-3-azapentane; 1,4,7-Triazaheptane; 2,2'-Diaminodiethylamine; 2,2'-Iminobis(ethanamine); 2-(2-Aminoethylamino)ethylamine;