Ethylenediaminetetramethylenephosphonicacidhexasodiumsalt

Ethylene bis(nitrilodimethylene) tetraphosphonic acid, hexasodium salt

hexasodium dihydrogen [ethane-1,2-diylbis[nitrilobis(methylene)]]tetrakisphosphonate

Phosphonic acid, [1,2-ethanediylbis [nitrilobis(methylene)]]tetrakis-, hexasodium salt