744805 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 4.7896 0.6779 0.0000 Fm 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 257 M END > 0 > 0 > 744805 > 3 > ChemIDplus > 015750262 > 15750-26-2 257Fm Fermium, isotope of mass 257 Fermium-257 > 15750-26-2 > 015750262 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015750262 > 167362 1 $$$$