744393 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 0.3928 -0.5210 0.0000 Ce -1 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 139 M END > 0 > 0 > 744393 > 3 > ChemIDplus > 013982304 > 13982-30-4 Cerium, isotope of mass 139 Cerium-139 > 13982-30-4 > 013982304 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013982304 > 166969 1 $$$$