Research Article

A Stability-Indicating High Performance Liquid Chromatographic Assay for the Simultaneous Determination of Pyridoxine, Ethionamide, and Moxifloxacin in Fixed Dose Combination Tablets

Figure 3

HPLC chromatograms comparison representing (1) pyridoxine, (2) ethionamide, and (3) moxifloxacin presenting effect of acid (HCl) degradation on the developed stability indicating method: (A) HPLC chromatograms of ethionamide (5 N HCl for 72 hours). (B) Pyridoxine (untreated). (C) HPLC chromatograms of moxifloxacin (5 N HCl for 72 hours). (D) Ethionamide (untreated).
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