Table 2. Selectivity Indices Calculated for Each Tumor Cell Line^a.

compound	HeLa	MDA-MB-231	MCF-7	HCT-116	A2780	A2780cisR
1	0.46	0.71	0.23	2.13	0.89	2.80
2	0.74	1.48	0.37	1.35	5.49	5.35
3	1.06	1.86	1.63	3.35	5.58	5.15
4	1.03	1.10	0.97	1.78	6.40	4.00
cisplatin	0.50	0.33	0.53	0.88	2.07	0.37
DCF	1.78	2.38	1.72	2.11	1.86	3.22
enDCF	1.93	1.81	1.57	2.15	ND	ND

^aSIs were calculated as IC₅₀ (MRC-5)/IC₅₀ (individual cancer cell line).