Synonyms: Phosphonic acid, P-(((2-((2-aminoethyl)amino)ethyl)amino)methyl)-, N,N-bis(phosphonomethyl) deriv., sodium salt (1:?);Diethylenetriamine tri(methylene phosphonic acids) sodium salts;Diethylenetriamine tri(methylene phosphonic acids), sodium salt;(((2-((2-Aminoethyl)amino)ethyl)amino)methyl)phosphonic acid, N,N-bis(phosphonomethyl) derivative, sodium salt;Phosphonic acid, (((2-((2-aminoethyl)amino)ethyl)amino)methyl)-, N,N-bis(phosphonomethyl) deriv., sodium salt;hexasodium {[(2-aminoethyl){2-[bis(phosphonatomethyl)amino]ethyl}amino]methyl}phosphonate