754703 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.7208 -3.6292 0.0000 Pm 1 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 146 M END > 0 > 0 > 754703 > 3 > ChemIDplus > 014834743 > 146Pm 14834-74-3 Promethium, isotope of mass 146 Promethium-146 > 14834-74-3 > 014834743 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014834743 > 177486 1 $$$$