682488 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 3.7375 -5.4917 0.0000 Eu 1 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 154 M END > 0 > 0 > 682488 > 3 > ChemIDplus > 015585101 > 154Eu 15585-10-1 Europium, isotope of mass 154 Europium-154 > 15585-10-1 > 015585101 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015585101 > 105012 1 $$$$