3734290 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734290 > 2 > ChemIDplus > 014681722 > 14681-72-2 80Se Selenium, isotope of mass 80 Selenium-80 > 14681-72-2 > 014681722 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014681722 $$$$