SW620 cells after (A-C) 72 h or (D-F) 96 h of culture in (A, D) the DMSO solvent alone (control) or (B, E) with compound 1 (cardanol) at its IC
value (10.76 μg/ml), or (C, F) compound 2 (cardol) at its IC
value (3.0 μg/ml; 6.54 μM). All images are magnified at 40×. Images shown are representative of at least five such fields of view per sample and three independent trials.