197922 -OEChem-02060822412D 0 0 0 0 0 0 0 0 0999 V2000 M END > 197922 > 3 > ChemIDplus > 012587461 > 12587-46-1 Alpha particles Alpha radiation Helium(2+) Radiation, alpha alpha particle alpha rays > 12587-46-1 > 012587461 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=012587461 $$$$