744882 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 4.1896 1.9279 0.0000 Es 1 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 253 M END > 0 > 0 > 744882 > 3 > ChemIDplus > 015840025 > 15840-02-5 Einstenium, isotope of mass 253 Einstenium-253 > 15840-02-5 > 015840025 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015840025 > 167439 1 $$$$