691772 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 0.9667 -3.4167 0.0000 Ba -1 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 137 M END > 0 > 0 > 691772 > 3 > ChemIDplus > 013981970 > 13981-97-0 Barium, isotope of mass 137 Barium-137 > 13981-97-0 > 013981970 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013981970 > 6335817 1 $$$$