3728640 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3728640 > 2 > ChemIDplus > 002274999 > 2274-99-9 O,O,O',O'-Tetramethyl S,S'-benzylidene phosphorothioate Phosphorothioic acid, S,S'-benzylidene O,O,O',O'-tetramethyl ester > 2274-99-9 > 002274999 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=002274999 $$$$