3739341 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3739341 > 2 > ChemIDplus > 036465904 > 36465-90-4 Diphosphonic acid Pyrophosphonic acid > 36465-90-4 > 036465904 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=036465904 $$$$