Table 1. Antiproliferative activity data (IC₅₀, μM) of chlordinaline against six cancer cell lines.

Compound	IC50 a (μM)
	A549	A375	SMMC7721	HepG2	H1299	H460
Chlorambucil	22.2 ± 3.7	69.2 ± 9.9	163.0 ± 20.7	111.8 ± 17.0	116.3 ± 24.8	28.9 ± 3.5
Tacedinaline	20.1 ± 0.8	11.3 ± 1.1	16.9 ± 1.3	18.5 ± 1.8	33.8 ± 3.9	9.7 ± 1.1
Chlordinaline	6.2 ± 1.3	6.1 ± 0.9	4.0 ± 0.6	14.2 ± 4.0	5.5 ± 1.3	3.1 ± 0.2

^aThe values represent the means of three experiments.