744495 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 4.6394 -1.0221 0.0000 Sr 3 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 91 M END > 0 > 0 > 744495 > 3 > ChemIDplus > 014331910 > 14331-91-0 91Sr Strontium, isotope of mass 91 Strontium-91 > 14331-91-0 > 014331910 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014331910 > 6337043 1 $$$$