IC₅₀ values for the antioxidant activities of L and all C1–C6 complexes.

Complexes	Concentration (μg mL−1)
	25	50	75	100	IC50
L	32.22	42.09	49.89	56.57	76.62
C1	34.01	44.44	52.18	62.09	67.43
C2	37.68	45.64	53.13	60.04	65.43
C3	36.76	43.95	54.19	59.78	66.64
C4	41.76	50.73	55.98	63.09	52.09
C5	42.97	48.09	57.18	66.14	51.23
C6	40.53	50.75	57.84	67.19	50.84
STD	45.18	52.12	60.18	68.32	41.70