Cytotoxicity of isolated compounds from Knema globularai (IC₅₀ μg mL⁻¹)^a.

Compound	HepG2	KKU-M156
1	1.57 ± 0.37	1.78 ± 0.14
3	6.81 ± 1.15	8.83 ± 1.76
5	8.17 ± 2.47	15.92 ± 3.68
6	25.26 ± 7.37	23.14 ± 3.79
7	10.50 ± 3.48	18.66 ± 4.36
8	18.39 ± 6.31	34.19 ± 12.53
The other	Inactive	Inactive
Cisplatin	4.67 ± 1.63	30.09 ± 15.11

^aInactive at IC₅₀ > 50 μg mL⁻¹.