SOD-Mimic Cu(II) Dimeric Complexes Involving Kinetin and Its Derivative: Preparation and Characterization

Figure 4

The MS² spectrum showing the fragmentation of the peak 591 m/z, the [Cu₂(HL¹)₂Cl]⁺ fragment of 1 (left); the comparison of the measured (up) and calculated (down, in grey) isotope pattern of 591 m/z.

(a)

(b)