3731950 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3731950 > 2 > ChemIDplus > 010290092 > 10290-09-2 Diboron copper(2+) tetraoxide EINECS 233-643-2 > 10290-09-2 > 010290092 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=010290092 $$$$