Table 5.

Cytotoxic activities of 10–12, 16, 17, cisplatin and doxorubicin against A549 cells ^a.

Compounds	IC50 (μM)	Compounds	IC50 (μM)
10	2.41 ± 0.17	17	0.27 ± 0.04
11	1.84 ± 0.31	cisplatin	2.27 ± 0.39
12	0.98 ± 0.09	doxorubicin	0.17 ± 0.02
16	0.37 ± 0.09

^a Data represent the mean value ± S.E.M. of three experiments performed in triplicate.