3776613 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3776613 > 2 > ChemIDplus > 084852211 > (((Phosphonomethyl)imino)bis(ethylene((phosphonomethyl)imino)ethylenenitrilobis(methylene)))tetrakisphosphonic acid, potassium salt 84852-21-1 EINECS 284-331-8 > 84852-21-1 > 084852211 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=084852211 $$$$