754702 -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 1 144 M END > 0 > 0 > 754702 > 3 > ChemIDplus > 014834732 > 144Pm 14834-73-2 Promethium, isotope of mass 144 Promethium-144 > 14834-73-2 > 014834732 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014834732 > 177485 1 $$$$