691882 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 -1.5292 -0.3208 0.0000 Se -1 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 79 M END > 0 > 0 > 691882 > 3 > ChemIDplus > 015758459 > 15758-45-9 Selenium, isotope of mass 79 Selenium-79 > 15758-45-9 > 015758459 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015758459 > 6335823 1 $$$$