691881 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 -0.9542 -2.9958 0.0000 Sm -1 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 151 M END > 0 > 0 > 691881 > 3 > ChemIDplus > 015715943 > 15715-94-3 Samarium, isotope of mass 151 Samarium-151 > 15715-94-3 > 015715943 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015715943 > 114939 1 $$$$