Synthesis, Structural Characterization, and Biological Activity Studies of Ni(II) and Zn(II) Complexes

Table 7

IC₅₀ values (μg/mL) of DPPH radical scavenging activity of ligands and their metal complexes.

Compound	IC50 (μg/mL)
HL3	1.27
HL4	0.40
[Ni(L1)2]	1.21
[Ni(L4)2]	1.09
[Zn(L4)2]·H2O	0.69
BHT	0.67