198185 -OEChem-02060822412D 1 0 0 0 0 0 0 0 0999 V2000 0.0000 0.0000 0.0000 Po 0 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 218 M END > 0 > 0 > 198185 > 3 > ChemIDplus > 015422749 > 15422-74-9 218Po Polonium, isotope of mass 218 Polonium-218 Radium A > 15422-74-9 > 015422749 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015422749 > 6328554 1 $$$$