Table 3. IC₅₀ Vaules for Complexes 1–15 in A2780 Cells and Complexes 1, 2, 5, 6, 8, 10, 11, and 14 in HCT-116, MCF-7, and A549 Cells^a.

	IC50 values (μM)
complex	A2780	HCT-116	MCF-7	A549
1	4.5 ± 0.2	3.7 ± 0.3	9.6 ± 0.4	10.36 ± 0.07
2	2.7 ± 0.3	6.8 ± 0.1	4.8 ± 0.3	2.1 ± 0.3
3	>50	n.d.	n.d.	n.d.
4	>60	n.d.	n.d.	n.d.
5	6.9 ± 0.3	21.3 ± 0.7	11.6 ± 0.5	15.8 ± 0.4
6	4.4 ± 0.4	18.8 ± 0.5	6.5 ± 0.3	5.9 ± 0.1
7	24.73 ± 2.30	n.d.	n.d.	n.d.
8	2.7 ± 0.1	27.5 ± 0.9	11.4 ± 0.4	20.1 ± 0.3
9	>50	n.d.	n.d.	n.d.
10	47 ± 1	57.3 ± 0.9	47 ± 2	89 ± 1
11	47.3 ± 0.1	29.3 ± 0.8	28.6 ± 0.9	56.67 ± 0.04
12	13.29 ± 0.88	n.d.	n.d.	n.d.
13	1.18 ± 0.08	n.d.	n.d.	n.d.
14	3.9 ± 0.2	9.6 ± 0.6	3.7 ± 0.1	8.7 ± 0.3
15	1.26 ± 0.01	n.d.	n.d.	n.d.
16b	10.78 ± 1.72	n.d.	n.d.	n.d.
17b	2.14 ± 0.50	n.d.	n.d.	n.d.
cisplatin	1.2 ± 0.2	5.2 ± 0.3	7.0 ± 0.1	3.5 ± 0.2

^aDrug exposure time was 24 h followed by a 72 h recovery time. All values were determined as independent duplicates of triplicate experiments, and the standard deviations were calculated.

^bFrom ref (4b).