[1]ChemicalandPharmaceuticalBulletin,2003,vol.51,#6,p.697-701
[2]Patent:WO2006/122156,2006,A2,.Locationinpatent:Page/Pagecolumn143-144
[1]Patent:US6350756,2002,B1,.Locationinpatent:Pagecolumn47-48
Title: Simultaneous determination of herbicide mefenacet and its metabolites residues in river water by solid phase extraction and rapid resolution liquid chromatography-mass spectrometry with pre-column derivatization.
Journal: Journal of chromatography. A 20090410