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  Indian J Med Microbiol
 

Figure 5: HPTLC chromatogram of base (0.5 N NaOH, 8 h, RT)-treated cefpodoxime proxetil; peak 1 (impurity) (Rf: 0.03), peak 2 (impurity) (Rf: 0.15), peak 3 (cefpodoxime proxetil) (Rf: 0.17), peak 4 cefpodoxime proxetil (Rf: 0.56)

Figure 5: HPTLC chromatogram of base (0.5 N NaOH, 8 h, RT)-treated cefpodoxime proxetil; peak 1 (impurity) (R<sub>f</sub>: 0.03), peak 2 (impurity) (R<sub>f</sub>: 0.15), peak 3 (cefpodoxime proxetil) (R<sub>f</sub>: 0.17), peak 4 cefpodoxime proxetil (R<sub>f</sub>: 0.56)