3733956 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3733956 > 2 > ChemIDplus > 013982020 > 13982-02-0 154Eu Europium, isotope of mass 153 Europium-153 > 13982-02-0 > 013982020 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013982020 $$$$