754685 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.6375 -3.6292 0.0000 Sr 0 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 81 M END > 0 > 0 > 754685 > 3 > ChemIDplus > 014809495 > 14809-49-5 81Sr Strontium, isotope of mass 81 Strontium-81 > 14809-49-5 > 014809495 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014809495 > 6337556 1 $$$$