754986 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8556 -3.6004 0.0000 Pb 0 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 198 M END > 0 > 0 > 754986 > 3 > ChemIDplus > 016646007 > 16646-00-7 198Pb Lead, isotope of mass 198 Lead-198 > 16646-00-7 > 016646007 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=016646007 > 6337598 1 $$$$