Table 2.

IC₅₀ values (µM) after 72 h treatment with 1 or 6 (mean ± SEM, n = 4). IC₅₀ values were determined using the four-parameter logistic curve and individual values of all independent experiments.

Compound	SBcl2	WM9	WM164	MUG-Mel2
1	1.1 ± 0.1	2.7 ± 0.3	8.3 ± 0.3	7.2 ± 0.5
6	0.9 ± 0.7	3.2 ± 0.8	4.9 ± 1.7	3.2 ± 0.3