A Stability-Indicating High Performance Liquid Chromatographic Assay for the Simultaneous Determination of Pyridoxine, Ethionamide, and Moxifloxacin in Fixed Dose Combination Tablets
Figure 4
HPLC chromatogram comparison of blank (A) and a standard solution (B) having peak (1) pyridoxine, peak (2) ciprofloxacin (I.S.), peak (3) ethionamide, and peak (4) moxifloxacin—showing no interference of blank with any peak of interest.