SW620 cells after (A) 0 h culture and (B-D) after 48 h of culture with (B) the DMSO solvent alone (control) or with (C) compound 1 (cardanol) at its IC
value (10.76 μg/ml), or (D) 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.