3733992 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3733992 > 2 > ChemIDplus > 014041522 > 14041-52-2 172Yb Ytterbium, isotope of mass 172 Ytterbium-172 > 14041-52-2 > 014041522 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014041522 $$$$