Fig. 5From: Method operable design region for robust RP-HPLC analysis of pioglitazone hydrochloride and teneligliptin hydrobromide hydrate: incorporating hybrid principles of white analytical chemistry and design of experimentsTargeted RP-HPLC analysis of anti-diabetic drugs A Chromatogram showing linearity of THH (40–200 µg/mL) and PIO (30–150 µg/mL) B Chromatogram showing the peak of THH and PIO at the retention time of 2.71 and 3.75 min, respectivelyBack to article page