682575 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 -0.3583 -0.8958 0.0000 Eu 2 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 155 M END > 0 > 0 > 682575 > 3 > ChemIDplus > 014391163 > 14391-16-3 Europium, isotope of mass 155 Europium-155 > 14391-16-3 > 014391163 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014391163 > 105088 1 $$$$