TP53 and melanoma: Complex 7 exhibited high growth inhibitory activity (IC50 = 1.8-3.0 μmol/L) against 518A2 melanoma, HCT-116 colon carcinoma (both p53-wildtype and p53-negative cells), triple-negative MDA-MB-231 breast cancer, and Panc-1 and BxPC-3 pancreas cancer cells.