Transition Metal Complexes of Naproxen: Synthesis, Characterization, Forced Degradation Studies, and Analytical Method Verification

Figure 4

HPLC chromatograms of (a) Naproxen, (b) Naproxen-Cobalt complex (N-Co), (c) Naproxen-Zinc complex (N-Zn), (d) Naproxen-Silver complex (N-Ag), (e) Naproxen-Iron complex (N-Fe), and (f) Naproxen-Copper complex (N-Cu), respectively.

(a)

(b)

(c)

(d)

(e)

(f)