745160 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 2.5922 1.5026 0.0000 Rb 0 4 0 0 0 0 0 0 0 0 0 0 M RAD 1 1 2 M ISO 1 1 81 M END > 0 > 0 > 745160 > 3 > ChemIDplus > 018268343 > 18268-34-3 Rubidium, isotope of mass 81 Rubidium-81 > 18268-34-3 > 018268343 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=018268343 > 6337108 1 $$$$