3837539 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3837539 > 2 > ChemIDplus > TB0210000 > NIOSH/TB0210000 > (-,-)-O-2-Butyl S-2-(ethylthio)ethyl ethylphosphonothioate (-,-)-O-sec-Butyl S-2-(ethylthio)ethyl ethylphosphonothioate Phosphonothioic acid, ethyl-, O-sec-butyl S-2-(ethylthio)ethyl ester, (-,-)- TB0210000 > TB0210000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=TB0210000 $$$$