Table 2.
Half inhibitory concentration (IC50) of 1–12 on human cancer K562, HL-60 and HeLa cells. a
| Cells | IC50 (μM) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| K562 | 77.9 | 68.2 | 71.1 | 115.3 | 70.3 | 85.8 | 77.5 | 124.7 | 72.1 | 49.8 | 91.0 | 109.4 |
| HeLa | 61.8 | 44.0 | 93.8 | 63.0 | 52.2 | 45.3 | 71.3 | 66.9 | 77.3 | 49.4 | 68.4 | 81.3 |
| HL-60 | 36.2 | 18.7 | 35.3 | 30.8 | 19.0 | 19.3 | 30.9 | 30.5 | 39.0 | 17.2 | 32.6 | 32.4 |
Note: a The IC50 values in this table were determined by the MTT method after treatment of the cells with the test compounds at different concentrations for 48 h.