In vitro selection of macrocyclic peptide inhibitors containing cyclic γ2,4-amino acids targeting the SARS-CoV-2 main protease by Miura, T, Malla, TR, Owen, D, Tumber, A, Brewitz, L, McDonough, M, Salah, E, Terasaka, N, Katoh, T, Lukacik, P, Strain-Damerell, C, Mikolajek, H, Walsh, M, Kawamura, A, Schofield, C, Suga, H