Table 3.

Antiproliferative activity of target compounds against GBM cell lines (IC₅₀, μM)^a.

COM.	U87	U251	T98G	U87-EGFRvIII
1d	63.28 ± 10.45	33.28 ± 3.36	20.62 ± 0.30	67.19 ± 3.20
1e	53.61 ± 2.51	36.1 ± 2.53	20.07 ± 0.67	>100
1q	47.04 ± 3.78	30.02 ± 0.93	20.73 ± 0.67	68.98 ± 8.39
1s	30.30 ± 0.84	24.61 ± 2.28	16.39 ± 2.12	50.46 ± 0.97
PP2	39.94 ± 6.91	21.14 ± 2.16	12.52 ± 2.37	49.11 ± 7.76

^aIC₅₀ values are presented as mean values of at least three independent experiments.