3768900 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3768900 > 2 > ChemIDplus > 074537012 > 74537-01-2 phosphorothioic acid, O,O'-2,4-pyridinediyl O,O,O',O'-tetraethyl ester > 74537-01-2 > 074537012 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=074537012 $$$$