Figure 1.

Effects of compounds 4d (a), 4b (b), 4q (c), 4r (d), 4p (e), 4w (f), 4v (g), 4t (h) and 4u (i) on DNA content/cell following the treatment of K562 cells for 24 h. Cell cycle distribution was analyzed by the standard propidium iodide procedure as described in Section 5. Control is reported in Figure 1 as panel j.