Table 3.

Inhibition percentages of compounds 1–4 against three cancer cell lines at 20 μM (48 h).

Compound	NB4	MKN-45	MCF-7
1	12.7 ± 3.2	8.9 ± 2.3	6.0 ± 0.9
2	13.7 ± 5.4	9.3 ± 1.6	2.9 ± 1.4
3	27.1 ± 3.3	9.9 ± 1.9	8.3 ± 1.4
4	85.6 ± 3.4	30.5 ± 4.5	4.5 ± 1.4
cis-diaminodichloroplatinum	100.0 ± 0.0	57.1 ± 2.2	44.2 ± 3.5