3740509 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3740509 > 2 > ChemIDplus > 039148204 > 39148-20-4 Calcium diethyl diphosphonate EINECS 254-319-7 > 39148-20-4 > 039148204 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=039148204 $$$$