3759509 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3759509 > 2 > ChemIDplus > 068815418 > 68815-41-8 Carbonic acid, rare earth salts, heavy Heavy rare earth carbonate > 68815-41-8 > 068815418 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068815418 $$$$