The IC₅₀ values of compounds 1–13 and doxorubicin hydrochloride.

Compd	IC50 (μM)
	MCF-7	HeLa
1	4.3	1.8
2	11.6	14.4
3	51.5	45.1
4	>80	>80
5	52.4	56.1
6	3.6	3.2
7	>80	55.0
8	53.9	48.7
9	6.3	7.3
10	>80	80.0
11	38.2	33.0
12	48.4	47.3
13	>80	80
Doxorubicin hydrochloride	1.1	3.5