755381 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8822 -3.6440 0.0000 Co 2 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 61 M END > 0 > 0 > 755381 > 3 > ChemIDplus > 013981834 > 13981-83-4 61Co Cobalt, isotope of mass 61 Cobalt-61 > 13981-83-4 > 013981834 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013981834 > 178158 1 $$$$