3740220 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3740220 > 2 > ChemIDplus > 038313814 > 38313-81-4 Diboron europium tetraoxide EINECS 253-876-3 > 38313-81-4 > 038313814 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=038313814 $$$$