682628 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 0.9917 -5.1917 0.0000 Am 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 243 M END > 0 > 0 > 682628 > 3 > ChemIDplus > 014993750 > 14993-75-0 243Am Americium, isotope of mass 243 Americium-243 > 14993-75-0 > 014993750 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014993750 > 105139 1 $$$$