Potential Antioxidant Activity of New Tetracyclic and Pentacyclic Nonlinear Phenothiazine Derivatives

Table 1

Hydrogen peroxide scavenging activity of phenothiazine derivatives.

Concentrations (mg/mL)	Percentage inhibition of H2O2 (%)
	PA	PB	AS
1.000	99.42	99.99	99.55
0.500	99.99	99.99	99.88
0.250	97.71	98.80	99.96
0.125	97.47	99.99	99.99