Bis(hexamethylene)triamine143-23-753 % similar Aminoethylethanolamine111-41-147 % similar Aminoethylpiperazine140-31-847 % similar Spermine tetrahydrochloride306-67-247 % similar Spermine dihydrate403982-64-947 % similar Spermidine trihydrochloride334-50-945 % similar Cyclen tetrahydrochloride10045-25-743 % similar Arpezine142-63-243 % similar Piperazine hydrochloride142-64-343 % similar 1,4,8,12-Tetraazacyclopentadecane15439-16-443 % similar Ethylenediamine hydrochloride18299-54-243 % similar N1-Butyl-1,2-ethanediamine19522-69-143 % similar Cyclam295-37-443 % similar Ethylenediamine hydrochloride333-18-643 % similar N-(2-Hydroxyethyl)-1,3-propanediamine4461-39-643 % similar 1,4-Diazacycloheptane505-66-843 % similar Ethylenediamine dihydroiodide5700-49-243 % similar 1,4,7-Triazacyclononane trihydrochloride58966-93-143 % similar Ethylenediamine monohydrate6780-13-843 % similar N-Ethylethylenediamine110-72-542 % similar