691880 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 0.2917 -2.5708 0.0000 Po 3 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 212 M END > 0 > 0 > 691880 > 3 > ChemIDplus > 015389341 > 15389-34-1 212Po Polonium, isotope of mass 212 Polonium-212 > 15389-34-1 > 015389341 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015389341 > 6335822 1 $$$$