Table 1. Median Potency Values (IC₅₀) for Growth Inhibition of the Indicated Human Cancer Cell Lines by 968 (First Column) or MDC (Second Column) and the Maximum Observed Cell Growth Inhibition Obtained for Either Inhibitor (Third/Fourth Columns).

	IC50 (μM)		max inhibition of growth (%)
cell line	968	MDC	968 (30 μM)	MDC (120 μM)
MDA-MB-231	4.2	60	103	83
Mia-PaCa-2	6.7	50	92	97
CAMA1	15	70	76	102
SK-BR-3	5.8	50	109	95
MCF-7	12	52	80	66
U-87 MG	4.2	100	88	52
LN-229	6.4	66	77	93
T98G	3.8	>120	93	17