166511 -OEChem-02060822392D 1 0 0 0 0 0 0 0 0999 V2000 0.0000 0.0000 0.0000 Er 0 0 0 0 0 0 0 0 0 0 0 0 M END > 0 > 0 > 166511 > 3 > ChemIDplus > 007440520 > 110424-79-8 7440-52-0 EINECS 231-160-1 ERBIUM > 110424-79-8 7440-52-0 > 007440520 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=007440520 > 23980 1 $$$$