Research Article
Comparative Study of Chemical Stability of Two H1 Antihistaminic Drugs, Terfenadine and Its In Vivo Metabolite Fexofenadine, Using LC-UV Methods
Figure 4
First-order plots of (a) terfenadine (TER) degradation at 70°C at different pH and (b) fexofenadine (FEX) degradation at 70°C at different pH.
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