198574 -OEChem-02060822412D 0 0 0 0 0 0 0 0 0999 V2000 M END > 198574 > 3 > ChemIDplus > 054566733 > 12640-42-5 54566-73-3 Boron oxide EINECS 259-231-2 > 12640-42-5 54566-73-3 > 054566733 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=054566733 $$$$