Table 3. Cytotoxic activities of benzochalcones against MCF-7, MDA-MB-231, LCC6/P-GP and MCF-7 cell lines.

Cmpd.	IC50 values (μM)
	MCF-7	MDA-MB-231	LCC6/P-gp	MCF-7/1B1
1	25.9 ± 3.2	46.2 ± 5.3	>100	32.3 ± 4.5
2	25.8 ± 4.1	37.8 ± 2.8	29.8 ± 2.6	65.1 ± 4.1
3	29.1 ± 3.9	66.4 ± 4.4	67.3 ± 3.9	33.8 ± 4.1
4	48.1 ± 3.7	79.6 ± 4.9	48.6 ± 2.9	>100
5	20.6 ± 2.2	43.5 ± 3.6	12.2 ± 2.7	42.4 ± 4.2
6	22.3 ± 1.2	37.6 ± 1.8	20.9 ± 2.0	41.3 ± 3.2
7	38.5 ± 2.9	65.3 ± 4.2	45.7 ± 5.3	48.4 ± 4.2
8	26.9 ± 3.1	43.9 ± 4.0	25.1 ± 3.8	26.4 ± 4.5
9	43.4 ± 1.6	75.3 ± 6.8	43.9 ± 4.4	>100
10	1.8 ± 0.3	14.3 ± 0.8	7.7 ± 0.9	11.3 ± 0.8
ANF	80.7 ± 7.6	>100	82.3 ± 8.5	>100
11	7.6 ± 0.7	19.8 ± 2.8	8.0 ± 2.3	12.7 ± 1.7
12	20.5 ± 1.3	25.7 ± 2.5	15.8 ± 2.4	14.8 ± 1.9
13	39.6 ± 4.1	48.7 ± 3.3	>100	>100
14	1.9 ± 0.4	62.2 ± 5.7	3.9 ± 0.4	43.8 ± 6.3
15	24.7 ± 2.1	34.1 ± 3.0	19.4 ± 2.7	18.2 ± 1.8
16	22.5 ± 2.8	35.2 ± 2.2	30.8 ± 1.9	45.5 ± 3.5
17	20.3 ± 1.2	35.5 ± 3.4	80.9 ± 6.2	23.8 ± 3.1
18	6.3 ± 1.4	15.8 ± 2.2	9.6 ± 1.3	15.1 ± 1.8
19	>100	>100	>100	>100
20	46.8 ± 4.7	48.9 ± 4.1	>100	20.4 ± 3.3
5-FU	>100	93.8 ± 6.1	>100	>100