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Difference spectrophotometric assay of 5-hydroxymethylfurfuraldehyde in hydrolysed pharmaceutical syrups - I. Sodium borohydride reagent. [Journal Article]
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A new hydrophilic interaction liquid chromatographic (HILIC) procedure for the simultaneous determination of pseudoephedrine hydrochloride (PSH), diphenhydramine hydrochloride (DPH) and dextromethorphan hydrobromide (DXH) in cough-cold formulations. [JOURNAL ARTICLE]
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