Fig. 3

Anti-proliferative activity screening of chalcones 3 and DHCs 4. A–E, CCK-8 assay of CRC cells and normal cell with series dilution of chalcones. F, IC₅₀ of 3d and 4c against CRC cells and normal cell. G–H, CCK-8 assay and IC₅₀ of the positive control drug 5-FU. Data were presented as mean ± SD