Effect of (1) or (2) on caspase activity.

<p>MCF-7 or MDA-MB-231 cells were treated with the indicated doses of compound (<b>1</b>) or (<b>2</b>) for 12 h prior to measuring the levels of (A) active caspase 3/7 and (B) active caspase 9 activities. The bars represent the mean ± SD. *P<0.05, in comparison to control.