3756741 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3756741 > 2 > ChemIDplus > 068511784 > 68511-78-4 Crude helium EINECS 270-947-4 Helium, crude > 68511-78-4 > 068511784 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068511784 $$$$