Table 1. IC₅₀ Values of Compounds 1–6 on a Selected Panel of Cancer Cell Lines.

	IC50 (μM)a
Compd.	NCI-H460	H1299	SKOV-3	DU145	MCF7	MCF10A	MB-MDA-231	SF268	HT-29	HCT-15
1	40.52	>100	27.85	32.67	22.36	>100	57.12	>100	>100	>100
2	>100	>100	56.18	>100	>100	>100	>100	>100	>100	>100
3	>100	>100	>100	>100	>100	>100	>100	>100	>100	>100
4	44.77	>100	20.15	>100	41.34	>100	68.12	>100	>100	>100
5	>100	>100	>100	>100	88.1	>100	>100	>100	>100	>100
6	40.32	90.81	>100	13.06	16.75	88.63	21.60	38.8	36.42	54.12

^aData from ref (101).