1,4,8,11-TetraazaundecaneN,N'-Bis(2-aminoethyl)propane-1,3-diamineN,N′-二(2-氨乙基)-1,3-丙二胺N,N′-Bis(2-aminoethyl)-1,3-propanediamine1,4,8,11-tetrazaundecaneN,N'-bis(2-aminoethyl)-1,3-propanediamineethylenetrimethyleneethylenetetramine2,3,2-tet2,3,2-tetramine3,7-diazanonane-1,9-diamine1,4,8,11-tetraazaundecane1,9-diamino-3,7-diazanonane2,3,2-tetramine