2,3,2-tetramine 1,4,8,11-tetraazaundecane 1,4,8,11-tetrazaundecane 1,9-diamino-3,7-diazanonane 160.169 160.26066 2,3,2-tet 2,3,2-tetramine 3,7-diazanonane-1,9-diamine Beilstein:1742732 C7H20N4 CAS:4741-99-5 CHEBI:30348 Gmelin:27228 InChI=1S/C7H20N4/c8-2-6-10-4-1-5-11-7-3-9/h10-11H,1-9H2 N,N'-bis(2-aminoethyl)-1,3-propanediamine N,N'-bis(2-aminoethyl)propane-1,3-diamine NCCNCCCNCCN UWMHHZFHBCYGCV-UHFFFAOYSA-N chebi_ontology ethylenetrimethyleneethylenetetramine tetramine polyazaalkane