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Effect of 1k (triangle) and 4c (circle) on the viability of human intestinal cell lines either tumoral (HCT-116; full line) or normal-like (differentiated Caco-2; dashed line). Cells were treated with the compounds 1k and 4c and cell survival was measured after 24 h by MTT assay in comparison to cells treated with vehicle alone (control). Values are the mean of three separate experiments in triplicate.
