TABLE 3.

RESULTS OF ANTIOXIDANT STUDIES OF COMPOUNDS

Compd.	% inhibition at various concentrations in μg/ml
	1000	500	250	100	50	25	10
4a	62.0	54.3	46.7	39.6	27.6	19.0	13.2
4b	73.1	64.5	52.2	41.3	32.3	26.7	10.2
4c	56.8	49.3	38.8	29.4	20.1	14.6	08.5
4d	49.4	40.2	32.1	25.7	19.7	12.4	06.3
4e	52.5	46.8	37.3	28.9	21.2	16.7	10.7
4f	68.9	57.8	43.2	37.6	29.7	15.1	09.2
4g	50.1	44.8	38.9	33.4	24.3	17.2	09.3
4h	79.6	67.5	60.9	53.5	34.6	24.3	17.6
4i	63.2	56.7	49.8	40.7	29.5	18.3	11.3
4j	50.6	44.8	39.9	30.3	22.8	17.5	10.3
5a	64.3	57.2	47.8	36.5	29.5	19.3	13.2
5b	80.6	67.5	61.9	53.5	34.6	26.3	17.8
5c	55.6	44.5	37.3	25.7	18.6	14.2	10.6
5d	48.9	37.8	29.5	20.7	13.6	10.8	05.5
5e	43.2	33.5	27.4	21.1	17.3	11.4	06.4
5f	58.3	45.9	36.8	28.9	20.7	16.8	11.1
5g	62.3	56.7	45.3	36.7	24.8	16.3	11.3
5h	73.7	66.8	54.5	43.3	30.2	27.8	19.7
5I	54.1	46.3	39.4	27.9	19.8	13.7	08.4
5j	51.5	46.8	35.3	27.9	20.2	17.7	11.7
6a	39.8	33.7	26.8	20.1	14.3	09.8	05.3
6b	54.3	42.5	36.7	25.2	16.6	12.2	09.6
6c	62.8	55.4	42.6	37.7	29.8	21.3	12.1
6d	51.7	46.9	36.8	29.9	21.1	16.9	10.2
6e	79.8	47.9	38.7	28.9	22.3	16.8	11.7
6f	50.7	41.3	32.8	23.2	18.7	11.4	07.3
6g	53.5	46.6	34.3	26.9	21.2	16.8	11.7
6h	78.9	46.8	39.8	27.7	19.6	11.8	07.5
6i	41.2	34.5	27.6	20.5	15.3	10.2	05.1
6j	55.9	43.7	36.3	28.5	21.1	14.3	06.3