3732657 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3732657 > 2 > ChemIDplus > 012057920 > 12057-92-0 Dimanganese heptaoxide EINECS 235-025-8 > 12057-92-0 > 012057920 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=012057920 $$$$