754189 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.7958 -3.6000 0.0000 Fm 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 253 M END > 0 > 0 > 754189 > 3 > ChemIDplus > 018396208 > 18396-20-8 253Fm Fermium, isotope of mass 253 Fermium-253 > 18396-20-8 > 018396208 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=018396208 > 176985 1 $$$$