754298 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.7820 -3.6009 0.0000 Se 0 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 70 M END > 0 > 0 > 754298 > 3 > ChemIDplus > 019869933 > 19869-93-3 70Se Selenium, isotope of mass 70 Selenium-70 > 19869-93-3 > 019869933 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=019869933 > 6337536 1 $$$$