Table 2.

Cytotoxicity of compounds 1–3 after incubation for 48 h.

		MM Cells % Alive			PBMC % Alive
cpd.	conc.	NCI-H929	OPM-2	U266
1	50 µM	13.2 ± 2.4	67.3 ± 6.7	35.5 ± 6.7	74.9 ± 1.2
	25 µM	70.2 ± 4.3	93.1 ± 2.4	81.0 ± 5.9	94.6 ± 0.2
2	50 µM	17.4 ± 7.3	51.7 ± 8.9	62.1 ± 0.4	76.1 ± 2.1
	25 µM	63.9 ± 10.6	84.6 ± 1.0	90.2 ± 1.7	92.7 ± 1.7
3	50 µM	6.6 ± 2.2	9.6 ± 2.8	9.1 ± 3.8	4.6 ± 0.1
	25 µM	18.9 ± 3.3	43.4 ± 9.3	66.8 ± 9.5	76.2 ± 1.8