Table 2

Compound	nOH	NSR	IC₅₀(1)/IC₅₀(i)	ln[IC₅₀(1)/IC₅₀(i)]	Ref.
1	3.17	4.00	1.00	0.00	35
2	4.00	4.50	7.40	2.00	35
3	3.83	4.66	2.28	0.82	35
4	3.83	4.66	1.78	0.58	35
5	1.67	4.33	0.08	−2.53	35
6	3.00	5.00	0.20	−1.61	36
7	3.30	4.30	1.08; 0.75 *	0.08; −0.29	36
8	3.00	6.00	0.14	−1.97	36
9	0.50	1.00	0.00; 0.00 *	−	36
10	2.83	4.50	0.09	−2.41	37
11	3.50	4.00	2.20; 1.80; 1.40 *	0.79; 0.59; 0.34	37
12	2.50	3.00	0.016	−4.13	37
13	2.50	3.00	0.016	−4.13	37

Table 2: Comparison of the antimalarial activity of compound 1 and its analogs (2−13) (35-37) with the number of hydroxyl radicals n_OH, which are formed due to their intramolecular oxidation (28-31).