754849 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.7383 -3.6329 0.0000 Sm 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 142 M END > 0 > 0 > 754849 > 3 > ChemIDplus > 015701129 > 142Sm 15701-12-9 Samarium, isotope of mass 142 Samarium-142 > 15701-12-9 > 015701129 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015701129 > 177629 1 $$$$