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Determination of (R)- and (S)-epimers at C-1 in residual amounts of (±)-cis,trans-permethrin and cypermethrin by gas-liquid chromatography

Chemical MeasurementBiochemistryGas ChromatographyMedicineEnvironmental Analytical ChemistryBioanalysisMass SpectrometryGas-liquid ChromatographyAnalytical ChemistryLiquid ChromatographyChromatographic AnalysisPharmacologyResidual AmountsChromatographyDrug Analysis