3740657 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3740657 > 2 > ChemIDplus > 039330740 > 39330-74-0 EINECS 254-416-4 Tris(eta5-cyclopenta-2,4-dien-1-yl)erbium > 39330-74-0 > 039330740 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=039330740 $$$$