Table 1.

Cytotoxic effect of compounds 1–6 against T acute lymphoblastic leukemia cell line (CCRF–CEM).

Compound	R	CCRF–CEM Cell Line IC50 (µM) a
		24 h	48 h
1		68.30	3.13
2		55.63	3.95
3		38.68	38.00
4		>150	69.07
5		>150	88.94
6		122.1	93.40
curcumin	/	>150	10.51

^a IC₅₀ values were calculated by interpolation from the nonlinear dose–response curve of raw data.