3754220 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3754220 > 2 > ChemIDplus > 068188830 > 68188-83-0 EINECS 269-164-0 Lanthanum concentrate Rare earth oxides > 68188-83-0 > 068188830 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068188830 $$$$