Table 2.

IC₅₀ of compounds 10, 11, 13, 14, and 18 against EGFR and HER2 enzymes.

Compound no.	EGFR IC50 (µM)*	HER2 IC50 (µM)*
10	3.90 ± 0.03	5.40 ± 0.12
11	2.55 ± 0.17	31.31 ± 0.31
13	10.20 ± 0.10	13.01 ± 0.09
14	4.11 ± 0.02	26.03 ± 0.22
18	9.66 ± 0.08	3.20 ± 0.04
Erlotinib	6.21 ± 0.31	9.42 ± 0.21

*The values represent the mean ± SE of three independent experiments.