Table 10. Cytotoxicity of the metal complexes 3.35–3.43 and cisplatin following exposure to the ovarian carcinoma cells A2780 and A2780cisR (cisplatin-resistant) for 72 h.

Complex	R3	Ligand	IC50 (μM)
			A2780	A2780cisR
3.35	cym	3.31	7.6 ± 1.3	61 ± 5
3.36	benz	3.31	16.7 ± 1.2	13 ± 1
3.37	hmb	3.31	63.1 ± 1.2	442 ± 20
3.38	cym	3.32	96 ± 4	243 ± 19
3.39	benz	3.33	23 ± 2	20 ± 1
3.40	hmb	3.33	20 ± 1	21 ± 4
3.41	cym	3.33	20 ± 1	24 ± 3
3.42	benz	3.34	31 ± 2	30 ± 10
3.43	cym	3.34	126 ± 14	49 ± 1
Cisplatin			1.0 ± 0.2	25 ± 1