762904 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 4.0205 -2.1271 0.0000 Ra 0 2 0 0 0 0 0 0 0 0 0 0 M CHG 1 1 2 M END > 0 > 2 > 762904 > 3 > ChemIDplus > 022541362 > 22541-36-2 Ra2 Radium ion(2 ) Radium, ion(Ra2 ) > 22541-36-2 > 022541362 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=022541362 $$$$