Table 1.

IC₅₀ values (in μM) for compounds 8–11.

	Glioma U251	Melanoma UACC-62	Breast MCF7	Prostate PC-3	Ovarian OVCAR-03	Colon HT-29	VERO
Doxorubicin a	0.03	0.04	0.06	0.05	0.42	0.18	0.50
8	62.42	7.52	>100	>100	63.19	>100	>100
9	80.20	8.76	>100	>100	>100	>100	>100
10	0.35	15.93	47.63	5.28	2.18	>100	>100
11	0.48	10.00	23.44	1.50	1.07	67.88	63.17

^a Doxorubicin was the positive control.