Table 3.

Results of antitumor cytotoxicity for some synthesized thienopyrimidines.

Comp. No	Cytotoxicity IC50 (μg/mL)
	HEPG2	HELA	MCF7	HCT116	HEP2
4a	2.35	1.07	2.82	2.01	1.61
7d	1.28	1.41	0.67	0.47	0.47
8a	0.94	0.87	0.74	-	0.47
12	0.74	0.81	1.54	2.68	0.81
15	1.21	0.40	0.6	1.68	0.54
29	0.40	0.60	0.94	2.89	1.14
42	1.81	0.81	2.48	0.54	1.14
Doxorubicin	0.54	0.85	0.7	0.69	0.4