Table 2. Effects of compounds 2, 3, 5, 8, 13, 19, and 23 on the proliferation of HepG2 and Huh7 cells.

Compound	IC50a (μM)
	HepG2	Huh7
2	105.00 ± 6.49	>200
3	6.94 ± 9.10	23.34 ± 17.83
5	95.22 ± 18.86	>200
8	71.66 ± 10.81	>200
13	>200	>200
19	>200	>200
23	43.26 ± 9.07	109.60 ± 12.18
Cisplatinb	20.73 ± 5.71	96.15 ± 9.29

^aIC₅₀ values were means ± SD (n = 3).

^bPositive control.