Table 2.
Comp. | R | IC50 (μM) a |
---|---|---|
I-14 | >64 | |
I-21 | 43.67 ± 1.35 |
a Inhibitory activity was assayed by exposure for 72 h to substances and expressed as concentration required to GES-1 cell proliferation by 50% (IC50). Data are presented as the means ± SDs of three independent experiments.