Table 3. SI of the most active compounds 6b, 7b, 8b, 12a–d and sorafenib.

Entry	Selectivity index (SI)
Cell lines	A498	HepG2	MDA-MB-231
6b	2.03	2.15	2.49
7b	1.37	11.89	3.64
8b	2.45	2.60	0.63
12a	0.59	2.95	1.00
12b	0.79	2.80	1.25
12c	0.29	9.92	0.99
12d	0.35	1.78	0.91
Sorafenib	0.014	0.02	0.011