Fig 1: Fold increase in activity of (A) caspase-9 and (B) caspase-3/7 in HeLa cells after treatment with compound 5j. Fold increase in (C) caspase-9 and (D) caspase-7 in MCF-7 cells after treatment with compound 5k. Data are represented as mean ± SD in replicate of three. *p ? 0.05, **p ? 0.01, ***p ? 0.001 versus control group (n = 3).