In vitro anticancer activity of the products 2a–j against TK-10 and A549 cancer cells.

Compounds	IC50 (μg mL−1)
	TK-10	A549
2a	≥100	≥100
2b	≥100	66.9 ± 0.7
2c	11.7 ± 2.3	33.4 ± 0.8
2d	≥100	≥100
2e	1.0 ± 0.1	2.4 ± 0.3
2f	≥100	≥100
2g	5.1 ± 0.7	10.9 ± 1.2
2h	2.3 ± 0.1	4.7 ± 0.2
2i	≥100	44.7 ± 3.6
2j	1.4 ± 0.1	1.0 ± 0.1
Doxorubicin	1.4 ± 0.4	1.9 ± 0.7