Morphological Changes of HepG2 and L929 Cells after Exposure with [Cu(L)(2imi)] Complex Un-Treated HepG2 Cells (A), HepG2 cells after treated with [Cu(L)(2imi)] complex at ½ IC-50 concentration (29 µg/mL) for 24 h (B), HepG2 cells after treated with [cu(L)(2imi)] complex at IC-50 concentration (58 µg/mL) for 24 h (C), Un-treated L929 cells (D), L929 cells after treated with [Cu(L)(2imi)] complex at ½ IC-50 concentration (52.65 µg/mL) for 24 h (E), L929 cells after treated with [Cu(L)(2imi)] complex at IC-50 concentration (105.3 µg/mL) for 24 h (F) that were observed with an inverted microscope under 400× magnification.