198179 -OEChem-02060822412D 1 0 0 0 0 0 0 0 0999 V2000 0.0000 0.0000 0.0000 Ra 2 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 228 M END > 0 > 0 > 198179 > 3 > ChemIDplus > 015262201 > 15262-20-1 228Ra Radium, isotope of mass 228 Radium-228 Radium-228 and its decay products > 15262-20-1 > 015262201 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015262201 > 6328553 1 $$$$