The IC₅₀ ± SD (μM) values^a in various cell lines for the synthesized complexes.

Compound	MCF-7	MDA-MD-231	HT-29	HeLa	Neuro-2a	L929
1	56.6 ± 7.78	28.9 ± 2.47	57.9 ± 4.71	39.2 ± 2.98	79.5 ± 8.44	>100
2	15.6 ± 3.24	5.94 ± 1.98	17.3 ± 2.57	41.2 ± 5.07	81.2 ± 9.28	>100
3	17.9 ± 2.66	9.18 ± 2.25	14.6 ± 3.55	37.6 ± 4.61	87.7 ± 6.93	>100
H2pydco	57.9 ± 5.33	45.7 ± 4.75	58.9 ± 5.01	67.1 ± 5.45	>100	>100
bpy	51.3 ± 4.78	24.9 ± 1.98	67.8 ± 5.54	46.5 ± 4.03	97.3 ± 8.70	>100
Cisplatin	5.94 ± 1.47	24.7 ± 4.71	19.3 ± 3.46	0.45 ± 0.13	103 ± 9.8	0.7 ± 0.2

^aThe concentration of the complex required to inhibit cell growth by 50%. The experiments were done in triplicate. Data were expressed as the mean of the triplicate. IC₅₀ > 100 μM is considered to be inactive.