Synonyms:
pentaammonium pentahydrogen [[(phosphonatomethyl)imino]bis[ethane-2,1-diylnitrilobis(methylene)]]tetrakisphosphonate ; Diethylenetriaminepenta-(methylenephosphonic acid) pentaammonium salt ; Phosphonic acid, [[(phosphonomethyl)imino]bis[2,1-ethanediylnitrilobis(methylene)]]tetrakis-, pentaammonium salt (9CI)