Natural products-based drug design against SARS-CoV-2 Mpro 3CLpro - Silva, Rai Campos; Freitas, Humberto F.; Campos, Joaquín M.; Kimani, Njogu M.; Silva, Carlos Henrique Tomich de Paula da; Borges, Rosivaldo S.; Pita, Samuel S. R.; Santos, Cleydson B. R. (International Journal of Molecular Sciences, 2021)