CAT and non-small cell lung carcinoma: The biochemical analysis of enzymatic antioxidant molecules such as GPx and CAT, non-enzymatic antioxidant molecule GSH, and the morphological examination of ROS generation by DCFH-DA dye in the imidazole derivative-treated A549 and NCI-H460 cell lines supported the ROS generation and accumulation in NSCLC cell lines.