3771917 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3771917 > 2 > ChemIDplus > 081098591 > 81098-59-1 Ytterbium Yb 169 pentetate Ytterbium Yb 169 pentetate [USP XXII] > 81098-59-1 > 081098591 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=081098591 $$$$