3733145 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3733145 > 2 > ChemIDplus > 012596235 > 12596-23-5 Helium, ion (He4(1+)) > 12596-23-5 > 012596235 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=012596235 $$$$