682646 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 1.5167 -5.2667 0.0000 Cm 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 243 M END > 0 > 0 > 682646 > 3 > ChemIDplus > 015757876 > 15757-87-6 243Cm Curium, isotope of mass 243 Curium-243 > 15757-87-6 > 015757876 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015757876 > 105155 1 $$$$