754842 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.7216 -3.6329 0.0000 U 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 231 M END > 0 > 0 > 754842 > 3 > ChemIDplus > 015700080 > 15700-08-0 231U Uranium, isotope of mass 231 Uranium-231 > 15700-08-0 > 015700080 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015700080 > 177622 1 $$$$