691883 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 -0.0583 -2.7458 0.0000 Sm 1 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 153 M END > 0 > 0 > 691883 > 3 > ChemIDplus > 015766004 > 153Sm 15766-00-4 Samarium, isotope of mass 153 Samarium-153 > 15766-00-4 > 015766004 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015766004 > 114941 1 $$$$