754717 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 3.9542 -3.1250 0.0000 Eu 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 149 M END > 0 > 0 > 754717 > 3 > ChemIDplus > 014907892 > 14907-89-2 149Eu Europium, isotope of mass 149 Europium-149 > 14907-89-2 > 014907892 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014907892 > 177500 1 $$$$