. 2016 Aug 3;21(8):1012. doi: 10.3390/molecules21081012

Table 3.

Inhibition activities (IC₅₀, μM ^a) of all compounds against epidermal growth factor receptor (EGFR).

Compounds	IC₅₀, μM ^a	Compounds	IC₅₀, μM ^a
H1	8.47	H17	7.89
H2	0.65	H18	0.48
H3	2.12	H19	1.25
H4	0.23	H20	0.08
H5	4.31	H21	3.56
H6	5.96	H22	5.07
H7	26.94	H23	24.58
H8	7.20	H24	6.65
H9	16.20	H25	15.33
H10	19.95	H26	18.55
H11	14.10	H27	13.78
H12	12.81	H28	12.34
H13	11.86	H29	11.24
H14	10.33	H30	10.02
H15	9.87	H31	9.66
H16	9.01	H32	8.64
Erlotinib	0.03

^a EGFR inhibitory activity was measured by the solid-phase ELISA assay. Values are the average of six independent experiments run in triplicate. Variation was generally 5%–10%.