3734171 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734171 > 2 > ChemIDplus > 014391732 > 14391-73-2 66Cu Copper, isotope of mass 66 Copper-66 > 14391-73-2 > 014391732 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014391732 $$$$