754669 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.7833 -3.6292 0.0000 Se 3 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 83 M END > 0 > 0 > 754669 > 3 > ChemIDplus > 014687606 > 14687-60-6 83Se Selenium, isotope of mass 83 Selenium-83 > 14687-60-6 > 014687606 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014687606 > 6337550 1 $$$$