Table 2.

IC₅₀ values (µM) of 2, 3, and 5 after 72 h of treatment and as determined using SigmaPlot 14.0 and the four-parameter logistic curve (n = 6, mean ± sem). n.d. = not determined.

Cell Line	IC50 Values of 5 (µM)	IC50 Values of 3 [17] (µM)	IC50 Values of 2 [14] (µM)
WM9	1.5 ± 0.1	3.2 ± 0.8	2.7 ± 0.3
WM164	4.5 ± 0.5	4.9 ± 1.7	8.3 ± 0.3
MUG-Mel2	2.4 ± 0.2	3.2 ± 0.3	7.2 ± 0.5
HEK293	3.4 ± 0.2	5.4 ± 0.7	n.d.