Crystal Structure and Biological Evaluation of Two Novel Organic-Inorganic Hybrid Materials as Antitumor Agents in the Treatment of Liver Cancer

Table 2

Antiproliferative activity IC₅₀ (μM) of compounds 1 and 2.

Compounds	IC50 (μM)^a
	SMMC7721	Bel-7402	MHCC97
1	45.6 ± 2.1	49.2 ± 1.9	62.1 ± 1.2
2	50.3 ± 1.8	45.8 ± 2.1	59.5 ± 2.2
Doxorubicin^b	49.1 ± 2.0	50.1 ± 1.7	60.6 ± 2.1

^aDrug concentration required to reduce cancer cell growth by 50%; ^bthe anticancer drug doxorubicin was chosen as the positive control.