3734159 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734159 > 2 > ChemIDplus > 014378484 > 14378-48-4 151Eu Europium, isotope of mass 151 Europium-151 > 14378-48-4 > 014378484 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014378484 $$$$