Table 1. DC₅₀ of CX-4945 and CX-5011.

	CEM		CEM*		U2OS		2008		LAMA84		K562		KCL22
	1% FCS		10% FCS		1% FCS		1% FCS		10% FCS		10% FCS		10% FCS
	S	R	S	R	S	R	S	R	S	R	S	R	S	R
CX-4945	1.92	4.09	8.62	6.50	4.58	4.33	4.87	6.56	8.55	5.79	3.41	3.72	3.30	2.95
(µM)	±1.00	±0.27	±0.68	±1.40	±0.44	±0.63	±2.50	±0.48	±1.10	±0.86	±0.55	±0.42	±1.46	±0.89
CX-5011	2.40	2.51	7.51	7.59	>10	8.59	2.13	2.01	5.07	2.68	3.58	3.05	3.01	3.10
(µM)	±0.07	±0.60	±2.33	±1.35		±0.62	±0.02	±0.21	±1.42	±0.81	±1.18	±0.78	±1.39	±0.86

The values, calculated from 48 h MTT assays reported in Figures 5, 6, 7, 8 (except for CEM* = 24 h treatment), are the mean of 4–6 independent experiments ± Standard Deviation. FCS concentration (v/v) during the treatment is also indicated.