Determination of the 1′S and 1′R diastereomers of metolachlor and S-metolachlor in water by chiral liquid chromatography-mass spectrometry/mass spectrometry (LC/MS/MS) Kent Kabler, A.; Sunmao Chen Journal of Agricultural and Food Chemistry 2006,54 (17) 6153–6158 http://www.fstadirect.com/GetRecord.aspx?AN=2006-12-Ht4174 谢谢!