Research Article
Polymorphism in Commercial Sources of Fusidic Acid: A Comparative Study of the In Vitro Release Characteristics of Forms I and III from a Marketed Pharmaceutical Cream
Figure 2
FTIR spectra of FA from Manufacturers A, B, and C demonstrating major differences in the region 1600 cm−1 to 1800 cm−1. Spectra (a) and (b) correspond to polymorphic Form III and show major differences as compared to spectrum (c) which shows polymorphic Form I.