3776639 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3776639 > 2 > ChemIDplus > 084852493 > (((Phosphonomethyl)imino)bis(ethylenenitrilobis(methylene)))tetrakisphosphonic acid, potassium salt 84852-49-3 EINECS 284-362-7 > 84852-49-3 > 084852493 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=084852493 $$$$