3812550 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3812550 > 2 > ChemIDplus > 129848528 > 129848-52-8 Phosphine oxide, bis(1-methylpropyl)- > 129848-52-8 > 129848528 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=129848528 $$$$