3743036 -OEChem-02060822572D 1 0 0 0 0 0 0 0 0999 V2000 7.0125 0.0333 0.0000 Pb 0 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 218 M END > 0 > 0 > 3743036 > 2 > ChemIDplus > 051634721 > 218Pb 51634-72-1 Lead, isotope of mass 218 Lead-218 > 51634-72-1 > 051634721 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=051634721 $$$$