682648 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 1.7167 -3.0458 0.0000 Pr 3 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 144 M END > 0 > 0 > 682648 > 3 > ChemIDplus > 014119052 > 14119-05-2 144Pr Praseodymium, isotope of mass 144 Praseodymium-144 > 14119-05-2 > 014119052 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014119052 > 105157 1 $$$$