Synthesis, Characterization, In Vitro Antioxidant Activity And In Silico Study On Potential Inhibitory Action Of Novel Curcumin Acquired Copper (II) Complexes Against COVID-19 Main Protease(Mpro:6LU7). Int. J. Environ. Sci. Published online September 1, 2025:1850-1871. doi:10.64252/d13qbb64